]> git.sesse.net Git - kdenlive/blobdiff - src/customtrackview.cpp
no ";" after Q_UNUSED
[kdenlive] / src / customtrackview.cpp
index 2c93814468fb5e0ab2d7eaf05759cb8465fbbcc6..9bc72157c5a5cc3ee2777ff6b049875b0afe8e67 100644 (file)
 #include "trackdialog.h"
 #include "tracksconfigdialog.h"
 #include "configtrackscommand.h"
+#include "rebuildgroupcommand.h"
+#include "razorgroupcommand.h"
+#include "profilesdialog.h"
 
 #include <KDebug>
 #include <KLocale>
 #include <KUrl>
 #include <KIcon>
 #include <KCursor>
-#include <KColorScheme>
 #include <KMessageBox>
 #include <KIO/NetAccess>
 
@@ -121,49 +123,51 @@ CustomTrackView::CustomTrackView(KdenliveDoc *doc, CustomTrackScene* projectscen
         m_menuPosition(),
         m_blockRefresh(false),
         m_selectionGroup(NULL),
-        m_selectedTrack(0)
+        m_selectedTrack(0),
+        m_controlModifier(false)
 {
-    if (doc) m_commandStack = doc->commandStack();
-    else m_commandStack = NULL;
+    if (doc)
+        m_commandStack = doc->commandStack();
+    else
+        m_commandStack = NULL;
+
     setMouseTracking(true);
     setAcceptDrops(true);
     setFrameShape(QFrame::NoFrame);
     setLineWidth(0);
     //setCacheMode(QGraphicsView::CacheBackground);
-    //setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
+    setAutoFillBackground(false);
     setViewportUpdateMode(QGraphicsView::SmartViewportUpdate);
+    setContentsMargins(0, 0, 0, 0);
+
+    m_activeTrackBrush = KStatefulBrush(KColorScheme::View, KColorScheme::ActiveBackground, KSharedConfig::openConfig(KdenliveSettings::colortheme()));
+
+    m_pixmapCache = new KPixmapCache("kdenlive-thumbs");
 
-    pixmapCache = new KPixmapCache("kdenlive-thumbs");
-    KdenliveSettings::setTrackheight(m_tracksHeight);
     m_animationTimer = new QTimeLine(800);
     m_animationTimer->setFrameRange(0, 5);
     m_animationTimer->setUpdateInterval(100);
     m_animationTimer->setLoopCount(0);
+
     m_tipColor = QColor(0, 192, 0, 200);
-    QColor border = QColor(255, 255, 255, 100);
-    m_tipPen.setColor(border);
+    m_tipPen.setColor(QColor(255, 255, 255, 100));
     m_tipPen.setWidth(3);
-    setContentsMargins(0, 0, 0, 0);
+
     const int maxHeight = m_tracksHeight * m_document->tracksCount();
     setSceneRect(0, 0, sceneRect().width(), maxHeight);
     verticalScrollBar()->setMaximum(maxHeight);
+    verticalScrollBar()->setTracking(true);
+    // repaint guides when using vertical scroll
+    connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(slotRefreshGuides()));
+
     m_cursorLine = projectscene->addLine(0, 0, 0, maxHeight);
     m_cursorLine->setZValue(1000);
-
     QPen pen1 = QPen();
     pen1.setWidth(1);
     pen1.setColor(palette().text().color());
     m_cursorLine->setPen(pen1);
     m_cursorLine->setFlag(QGraphicsItem::ItemIgnoresTransformations, true);
 
-    KIcon razorIcon("edit-cut");
-    m_razorCursor = QCursor(razorIcon.pixmap(22, 22));
-
-    KIcon spacerIcon("kdenlive-spacer-tool");
-    m_spacerCursor = QCursor(spacerIcon.pixmap(22, 22));
-    verticalScrollBar()->setTracking(true);
-    // Line below was supposed to scroll guides label with scrollbar, not implemented yet
-    //connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(slotRefreshGuides()));
     connect(&m_scrollTimer, SIGNAL(timeout()), this, SLOT(slotCheckMouseScrolling()));
     m_scrollTimer.setInterval(100);
     m_scrollTimer.setSingleShot(true);
@@ -171,6 +175,12 @@ CustomTrackView::CustomTrackView(KdenliveDoc *doc, CustomTrackScene* projectscen
     connect(&m_thumbsTimer, SIGNAL(timeout()), this, SLOT(slotFetchNextThumbs()));
     m_thumbsTimer.setInterval(500);
     m_thumbsTimer.setSingleShot(true);
+
+    KIcon razorIcon("edit-cut");
+    m_razorCursor = QCursor(razorIcon.pixmap(22, 22));
+
+    KIcon spacerIcon("kdenlive-spacer-tool");
+    m_spacerCursor = QCursor(spacerIcon.pixmap(22, 22));
 }
 
 CustomTrackView::~CustomTrackView()
@@ -178,6 +188,8 @@ CustomTrackView::~CustomTrackView()
     qDeleteAll(m_guides);
     m_guides.clear();
     m_waitingThumbs.clear();
+    delete m_pixmapCache;
+    delete m_animationTimer;
 }
 
 //virtual
@@ -276,7 +288,7 @@ void CustomTrackView::checkTrackHeight()
         }
     }
     double newHeight = m_tracksHeight * m_document->tracksCount() * matrix().m22();
-    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), newHeight);
+    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), newHeight - 1);
 
     for (int i = 0; i < m_guides.count(); i++) {
         QLineF l = m_guides.at(i)->line();
@@ -324,7 +336,7 @@ void CustomTrackView::slotFetchNextThumbs()
 {
     if (!m_waitingThumbs.isEmpty()) {
         ClipItem *item = m_waitingThumbs.takeFirst();
-        while ((item == NULL) && !m_waitingThumbs.isEmpty()) {
+        while (item == NULL && !m_waitingThumbs.isEmpty()) {
             item = m_waitingThumbs.takeFirst();
         }
         if (item) item->slotFetchThumbs();
@@ -363,11 +375,12 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
 {
     int pos = event->x();
     int mappedXPos = qMax((int)(mapToScene(event->pos()).x() + 0.5), 0);
+   
     double snappedPos = getSnapPointForPos(mappedXPos);
     emit mousePosition(mappedXPos);
 
     if (event->buttons() & Qt::MidButton) return;
-    if (dragMode() == QGraphicsView::RubberBandDrag || (event->modifiers() == Qt::ControlModifier && m_tool != SPACERTOOL)) {
+    if (dragMode() == QGraphicsView::RubberBandDrag || (event->modifiers() == Qt::ControlModifier && m_tool != SPACERTOOL && m_operationMode != RESIZESTART && m_operationMode != RESIZEEND)) {
         event->setAccepted(true);
         m_moveOpMode = NONE;
         QGraphicsView::mouseMoveEvent(event);
@@ -386,14 +399,34 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
                 } else if (viewport()->width() - pos < 10) {
                     m_scrollOffset = 30;
                     m_scrollTimer.start();
-                } else if (m_scrollTimer.isActive()) m_scrollTimer.stop();
-
+                } else if (m_scrollTimer.isActive()) {
+                    m_scrollTimer.stop();
+                }
             } else if (m_operationMode == RESIZESTART && move) {
                 m_document->renderer()->pause();
-                m_dragItem->resizeStart((int)(snappedPos));
+                if (!m_controlModifier && m_dragItem->type() == AVWIDGET && m_dragItem->parentItem() && m_dragItem->parentItem() != m_selectionGroup) {
+                    AbstractGroupItem *parent = static_cast <AbstractGroupItem *>(m_dragItem->parentItem());
+                    if (parent)
+                        parent->resizeStart((int)(snappedPos - m_dragItemInfo.startPos.frames(m_document->fps())));
+                } else {
+                    m_dragItem->resizeStart((int)(snappedPos));
+                }
+                QString crop = m_document->timecode().getDisplayTimecode(m_dragItem->cropStart(), KdenliveSettings::frametimecode());
+                QString duration = m_document->timecode().getDisplayTimecode(m_dragItem->cropDuration(), KdenliveSettings::frametimecode());
+                QString offset = m_document->timecode().getDisplayTimecode(m_dragItem->cropStart() - m_dragItemInfo.cropStart, KdenliveSettings::frametimecode());
+                emit displayMessage(i18n("Crop from start:") + ' ' + crop + ' ' + i18n("Duration:") + ' ' + duration + ' ' + i18n("Offset:") + ' ' + offset, InformationMessage);
             } else if (m_operationMode == RESIZEEND && move) {
                 m_document->renderer()->pause();
-                m_dragItem->resizeEnd((int)(snappedPos));
+                if (!m_controlModifier && m_dragItem->type() == AVWIDGET && m_dragItem->parentItem() && m_dragItem->parentItem() != m_selectionGroup) {
+                    AbstractGroupItem *parent = static_cast <AbstractGroupItem *>(m_dragItem->parentItem());
+                    if (parent)
+                        parent->resizeEnd((int)(snappedPos - m_dragItemInfo.endPos.frames(m_document->fps())));
+                } else {
+                    m_dragItem->resizeEnd((int)(snappedPos));
+                }
+                QString duration = m_document->timecode().getDisplayTimecode(m_dragItem->cropDuration(), KdenliveSettings::frametimecode());
+                QString offset = m_document->timecode().getDisplayTimecode(m_dragItem->cropDuration() - m_dragItemInfo.cropDuration, KdenliveSettings::frametimecode());
+                emit displayMessage(i18n("Duration:") + ' ' + duration + ' ' + i18n("Offset:") + ' ' + offset, InformationMessage);
             } else if (m_operationMode == FADEIN && move) {
                 ((ClipItem*) m_dragItem)->setFadeIn((int)(mappedXPos - m_dragItem->startPos().frames(m_document->fps())));
             } else if (m_operationMode == FADEOUT && move) {
@@ -405,6 +438,8 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
                 double maxh = 100.0 / br.height();
                 pos = (br.bottom() - pos) * maxh;
                 m_dragItem->updateKeyFramePos(keyFramePos, pos);
+                QString position = m_document->timecode().getDisplayTimecodeFromFrames(m_dragItem->editedKeyFramePos(), KdenliveSettings::frametimecode());
+                emit displayMessage(position + " : " + QString::number(m_dragItem->editedKeyFrameValue()), InformationMessage);
             }
             removeTipAnimation();
             return;
@@ -425,9 +460,8 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
             for (int i = 0; i < children.count(); i++) {
                 if (children.at(i)->type() == GROUPWIDGET) {
                     QList<QGraphicsItem *> subchildren = children.at(i)->childItems();
-                    for (int j = 0; j < subchildren.count(); j++) {
+                    for (int j = 0; j < subchildren.count(); j++)
                         collidingItems.removeAll(subchildren.at(j));
-                    }
                 }
                 collidingItems.removeAll(children.at(i));
             }
@@ -452,9 +486,8 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
             for (int i = 0; i < children.count(); i++) {
                 if (children.at(i)->type() == GROUPWIDGET) {
                     QList<QGraphicsItem *> subchildren = children.at(i)->childItems();
-                    for (int j = 0; j < subchildren.count(); j++) {
+                    for (int j = 0; j < subchildren.count(); j++)
                         collidingItems.removeAll(subchildren.at(j));
-                    }
                 }
                 collidingItems.removeAll(children.at(i));
             }
@@ -476,9 +509,8 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
                 for (int i = 0; i < children.count(); i++) {
                     if (children.at(i)->type() == GROUPWIDGET) {
                         QList<QGraphicsItem *> subchildren = children.at(i)->childItems();
-                        for (int j = 0; j < subchildren.count(); j++) {
+                        for (int j = 0; j < subchildren.count(); j++)
                             collidingItems.removeAll(subchildren.at(j));
-                        }
                     }
                     collidingItems.removeAll(children.at(i));
                 }
@@ -503,9 +535,8 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
                 for (int i = 0; i < children.count(); i++) {
                     if (children.at(i)->type() == GROUPWIDGET) {
                         QList<QGraphicsItem *> subchildren = children.at(i)->childItems();
-                        for (int j = 0; j < subchildren.count(); j++) {
+                        for (int j = 0; j < subchildren.count(); j++)
                             collidingItems.removeAll(subchildren.at(j));
-                        }
                     }
                     collidingItems.removeAll(children.at(i));
                 }
@@ -566,22 +597,62 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
         }
         m_moveOpMode = opMode;
         setTipAnimation(clip, opMode, size);
-        if (opMode == MOVE)
+        ClipItem *ci = NULL;
+        if (item->type() == AVWIDGET)
+            ci = static_cast <ClipItem *>(item);
+        QString message;
+        if (opMode == MOVE) {
             setCursor(Qt::OpenHandCursor);
-        else if (opMode == RESIZESTART)
+            if (ci) {
+                message = ci->clipName() + i18n(":");
+                message.append(i18n(" Position:") + m_document->timecode().getDisplayTimecode(ci->info().startPos, KdenliveSettings::frametimecode()));
+                message.append(i18n(" Duration:") + m_document->timecode().getDisplayTimecode(ci->cropDuration(),  KdenliveSettings::frametimecode()));
+                if (clip->parentItem() && clip->parentItem()->type() == GROUPWIDGET) {
+                    AbstractGroupItem *parent = static_cast <AbstractGroupItem *>(clip->parentItem());
+                    if (clip->parentItem() == m_selectionGroup)
+                        message.append(i18n(" Selection duration:"));
+                    else
+                        message.append(i18n(" Group duration:"));
+                    message.append(m_document->timecode().getDisplayTimecode(parent->duration(), KdenliveSettings::frametimecode()));
+                    if (parent->parentItem() && parent->parentItem()->type() == GROUPWIDGET) {
+                        AbstractGroupItem *parent2 = static_cast <AbstractGroupItem *>(parent->parentItem());
+                        message.append(i18n(" Selection duration:") + m_document->timecode().getDisplayTimecode(parent2->duration(), KdenliveSettings::frametimecode()));
+                    }
+                }
+            }
+        } else if (opMode == RESIZESTART) {
             setCursor(KCursor("left_side", Qt::SizeHorCursor));
-        else if (opMode == RESIZEEND)
+            if (ci)
+                message = i18n("Crop from start: ") + m_document->timecode().getDisplayTimecode(ci->cropStart(), KdenliveSettings::frametimecode());
+            if (item->type() == AVWIDGET && item->parentItem() && item->parentItem() != m_selectionGroup)
+                message.append(i18n("Use Ctrl to resize only current item, otherwise all items in this group will be resized at once."));
+        } else if (opMode == RESIZEEND) {
             setCursor(KCursor("right_side", Qt::SizeHorCursor));
-        else if (opMode == FADEIN || opMode == FADEOUT) {
+            if (ci)
+                message = i18n("Duration: ") + m_document->timecode().getDisplayTimecode(ci->cropDuration(), KdenliveSettings::frametimecode());
+            if (item->type() == AVWIDGET && item->parentItem() && item->parentItem() != m_selectionGroup)
+                message.append(i18n("Use Ctrl to resize only current item, otherwise all items in this group will be resized at once."));
+        } else if (opMode == FADEIN || opMode == FADEOUT) {
             setCursor(Qt::PointingHandCursor);
-            emit displayMessage(i18n("Drag to add or resize a fade effect."), InformationMessage);
+            if (ci && opMode == FADEIN && ci->fadeIn()) {
+                message = i18n("Fade in duration: ");
+                message.append(m_document->timecode().getDisplayTimecodeFromFrames(ci->fadeIn(), KdenliveSettings::frametimecode()));
+            } else if (ci && opMode == FADEOUT && ci->fadeOut()) {
+                message = i18n("Fade out duration: ");
+                message.append(m_document->timecode().getDisplayTimecodeFromFrames(ci->fadeOut(), KdenliveSettings::frametimecode()));
+            } else {
+                message = i18n("Drag to add or resize a fade effect.");
+            }
         } else if (opMode == TRANSITIONSTART || opMode == TRANSITIONEND) {
             setCursor(Qt::PointingHandCursor);
-            emit displayMessage(i18n("Click to add a transition."), InformationMessage);
+            message = i18n("Click to add a transition.");
         } else if (opMode == KEYFRAME) {
             setCursor(Qt::PointingHandCursor);
             emit displayMessage(i18n("Move keyframe above or below clip to remove it, double click to add a new one."), InformationMessage);
         }
+
+        if (!message.isEmpty())
+            emit displayMessage(message, InformationMessage);
     } // no clip under mouse
     else if (m_tool == RAZORTOOL) {
         event->accept();
@@ -704,7 +775,7 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
     }
 #if QT_VERSION >= 0x040600
     // Add shadow to dragged item, currently disabled because of painting artifacts
-    //TODO: re-enable when fixed
+    //TODO: re-enable when fixed
     /*QGraphicsDropShadowEffect *eff = new QGraphicsDropShadowEffect();
     eff->setBlurRadius(5);
     eff->setOffset(3, 3);
@@ -838,31 +909,32 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
 
     // Razor tool
     if (m_tool == RAZORTOOL && m_dragItem) {
+        GenTime cutPos = GenTime((int)(mapToScene(event->pos()).x()), m_document->fps());
         if (m_dragItem->type() == TRANSITIONWIDGET) {
             emit displayMessage(i18n("Cannot cut a transition"), ErrorMessage);
-            event->accept();
-            m_dragItem = NULL;
-            return;
-        } else if (m_dragItem->parentItem() && m_dragItem->parentItem() != m_selectionGroup) {
-            emit displayMessage(i18n("Cannot cut a clip in a group"), ErrorMessage);
-            event->accept();
-            m_dragItem = NULL;
-            return;
+        } else {
+            m_document->renderer()->pause();
+            if (m_dragItem->parentItem() && m_dragItem->parentItem() != m_selectionGroup) {
+                razorGroup((AbstractGroupItem *)m_dragItem->parentItem(), cutPos);
+            } else {
+                AbstractClipItem *clip = static_cast <AbstractClipItem *>(m_dragItem);
+                RazorClipCommand* command = new RazorClipCommand(this, clip->info(), cutPos);
+                m_commandStack->push(command);
+            }
+            setDocumentModified();
         }
-        AbstractClipItem *clip = static_cast <AbstractClipItem *>(m_dragItem);
-        RazorClipCommand* command = new RazorClipCommand(this, clip->info(), GenTime((int)(mapToScene(event->pos()).x()), m_document->fps()));
-        m_document->renderer()->pause();
-        m_commandStack->push(command);
-        setDocumentModified();
         m_dragItem = NULL;
         event->accept();
         return;
     }
 
     bool itemSelected = false;
-    if (m_dragItem->isSelected()) itemSelected = true;
-    else if (m_dragItem->parentItem() && m_dragItem->parentItem()->isSelected()) itemSelected = true;
-    else if (dragGroup && dragGroup->isSelected()) itemSelected = true;
+    if (m_dragItem->isSelected())
+        itemSelected = true;
+    else if (m_dragItem->parentItem() && m_dragItem->parentItem()->isSelected())
+        itemSelected = true;
+    else if (dragGroup && dragGroup->isSelected())
+        itemSelected = true;
 
     if (event->modifiers() == Qt::ControlModifier || itemSelected == false) {
         if (event->modifiers() != Qt::ControlModifier) {
@@ -873,12 +945,13 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
         } else resetSelectionGroup();
         dragGroup = NULL;
         if (m_dragItem->parentItem() && m_dragItem->parentItem()->type() == GROUPWIDGET) {
-            //kDebug()<<"// KLIK FOUND GRP: "<<m_dragItem->sceneBoundingRect();
             dragGroup = static_cast <AbstractGroupItem *>(m_dragItem->parentItem());
         }
         bool selected = !m_dragItem->isSelected();
-        if (dragGroup) dragGroup->setSelected(selected);
-        else m_dragItem->setSelected(selected);
+        if (dragGroup)
+            dragGroup->setSelected(selected);
+        else
+            m_dragItem->setSelected(selected);
 
         groupSelectedItems();
         ClipItem *clip = static_cast <ClipItem *>(m_dragItem);
@@ -890,7 +963,9 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
         if (m_dragItem && m_dragItem->type() == AVWIDGET && !m_dragItem->isItemLocked()) {
             ClipItem *selected = static_cast <ClipItem*>(m_dragItem);
             emit clipItemSelected(selected);
-        } else emit clipItemSelected(NULL);
+        } else {
+            emit clipItemSelected(NULL);
+        }
     }
 
     // If clicked item is selected, allow move
@@ -898,11 +973,14 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
 
     m_clickPoint = QPoint((int)(mapToScene(event->pos()).x() - m_dragItem->startPos().frames(m_document->fps())), (int)(event->pos().y() - m_dragItem->pos().y()));
     m_operationMode = m_dragItem->operationMode(mapToScene(event->pos()));
+    m_controlModifier = (event->modifiers() == Qt::ControlModifier);
 
     // Update snap points
     if (m_selectionGroup == NULL) {
-        if (m_operationMode == RESIZEEND || m_operationMode == RESIZESTART) updateSnapPoints(NULL);
-        else updateSnapPoints(m_dragItem);
+        if (m_operationMode == RESIZEEND || m_operationMode == RESIZESTART)
+            updateSnapPoints(NULL);
+        else
+            updateSnapPoints(m_dragItem);
     } else {
         QList <GenTime> offsetList;
         QList<QGraphicsItem *> children = m_selectionGroup->childItems();
@@ -944,8 +1022,10 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
             info.endPos = transitionClip->endPos();
         } else {
             GenTime transitionDuration(65, m_document->fps());
-            if (m_dragItem->cropDuration() < transitionDuration) info.endPos = m_dragItem->endPos();
-            else info.endPos = info.startPos + transitionDuration;
+            if (m_dragItem->cropDuration() < transitionDuration)
+                info.endPos = m_dragItem->endPos();
+            else
+                info.endPos = info.startPos + transitionDuration;
         }
         if (info.endPos == info.startPos) info.endPos = info.startPos + GenTime(65, m_document->fps());
         // Check there is no other transition at that place
@@ -1007,9 +1087,27 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
     QGraphicsView::mousePressEvent(event);
 }
 
-void CustomTrackView::rebuildGroup(AbstractGroupItem* group)
+void CustomTrackView::rebuildGroup(int childTrack, GenTime childPos)
+{
+    const QPointF p((int)childPos.frames(m_document->fps()), childTrack * m_tracksHeight + m_tracksHeight / 2);
+    QList<QGraphicsItem *> list = scene()->items(p);
+    AbstractGroupItem *group = NULL;
+    for (int i = 0; i < list.size(); i++) {
+        if (!list.at(i)->isEnabled()) continue;
+        if (list.at(i)->type() == GROUPWIDGET) {
+            group = static_cast <AbstractGroupItem *>(list.at(i));
+            break;
+        }
+    }
+    rebuildGroup(group);
+}
+
+void CustomTrackView::rebuildGroup(AbstractGroupItem *group)
 {
     if (group) {
+        resetSelectionGroup(false);
+        m_scene->clearSelection();
+
         QList <QGraphicsItem *> children = group->childItems();
         m_document->clipManager()->removeGroup(group);
         scene()->destroyItemGroup(group);
@@ -1039,6 +1137,7 @@ void CustomTrackView::resetSelectionGroup(bool selectItems)
                 children.at(i)->setSelected(selectItems);
             }
         }
+
         m_selectionGroup = NULL;
         KdenliveSettings::setSnaptopoints(snap);
     }
@@ -1127,7 +1226,7 @@ void CustomTrackView::mouseDoubleClickEvent(QMouseEvent *event)
     if (m_dragItem && m_dragItem->hasKeyFrames()) {
         /*if (m_moveOpMode == KEYFRAME) {
             // user double clicked on a keyframe, open edit dialog
-            //TODO: update for effects with several values per keyframe
+            //TODO: update for effects with several values per keyframe
             QDialog d(parentWidget());
             Ui::KeyFrameDialog_UI view;
             view.setupUi(&d);
@@ -1209,7 +1308,7 @@ void CustomTrackView::editItemDuration()
             getTransitionAvailableSpace(item, minimum, maximum);
         else
             getClipAvailableSpace(item, minimum, maximum);
-        //kDebug()<<"// GOT MOVE POS: "<<minimum.frames(25)<<" - "<<maximum.frames(25);
+
         ClipDurationDialog d(item, m_document->timecode(), minimum, maximum, this);
         if (d.exec() == QDialog::Accepted) {
             ItemInfo clipInfo = item->info();
@@ -1220,6 +1319,7 @@ void CustomTrackView::editItemDuration()
                 clipInfo.endPos = clipInfo.startPos + d.duration();
                 clipInfo.track = item->track();
                 MoveTransitionCommand *command = new MoveTransitionCommand(this, startInfo, clipInfo, true);
+                updateTrackDuration(clipInfo.track, command);
                 m_commandStack->push(command);
             } else {
                 // move and resize clip
@@ -1244,6 +1344,7 @@ void CustomTrackView::editItemDuration()
                     clipInfo.cropStart = d.cropStart();
                     new ResizeClipCommand(this, startInfo, clipInfo, true, false, moveCommand);
                 }
+                updateTrackDuration(clipInfo.track, moveCommand);
                 m_commandStack->push(moveCommand);
             }
         }
@@ -1328,6 +1429,7 @@ void CustomTrackView::insertClipCut(DocClipBase *clip, int in, int out)
     }
 
     AddTimelineClipCommand *command = new AddTimelineClipCommand(this, clip->toXML(), clip->getId(), pasteInfo, EffectsList(), m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT, true, false);
+    updateTrackDuration(pasteInfo.track, command);
     m_commandStack->push(command);
 
     selectClip(true, false);
@@ -1348,6 +1450,10 @@ bool CustomTrackView::insertDropClips(const QMimeData *data, const QPoint pos)
             kDebug() << " WARNING))))))))) CLIP NOT FOUND : " << list.at(0);
             return false;
         }
+        if (clip->producer() == NULL) {
+            emit displayMessage(i18n("Clip not ready"), ErrorMessage);
+            return false;
+        }
         QPointF framePos = mapToScene(pos);
         ItemInfo info;
         info.startPos = GenTime();
@@ -1399,6 +1505,10 @@ bool CustomTrackView::insertDropClips(const QMimeData *data, const QPoint pos)
                 kDebug() << " WARNING))))))))) CLIP NOT FOUND : " << ids.at(i);
                 return false;
             }
+            if (clip->producer() == NULL) {
+                emit displayMessage(i18n("Clip not ready"), ErrorMessage);
+                return false;
+            }
             ItemInfo info;
             info.startPos = start;
             info.cropDuration = clip->duration();
@@ -1479,7 +1589,7 @@ void CustomTrackView::slotRefreshEffects(ClipItem *clip)
     }
     bool success = true;
     for (int i = 0; i < clip->effectsCount(); i++) {
-        if (!m_document->renderer()->mltAddEffect(track, pos, clip->getEffectArgs(clip->effectAt(i)), false)) success = false;
+        if (!m_document->renderer()->mltAddEffect(track, pos, getEffectArgs(clip->effectAt(i)), false)) success = false;
     }
     if (!success) emit displayMessage(i18n("Problem adding effect to clip"), ErrorMessage);
     m_document->renderer()->doRefresh();
@@ -1487,6 +1597,15 @@ void CustomTrackView::slotRefreshEffects(ClipItem *clip)
 
 void CustomTrackView::addEffect(int track, GenTime pos, QDomElement effect)
 {
+    if (pos < GenTime()) {
+        // Add track effect
+        clearSelection();
+        m_document->addTrackEffect(track - 1, effect);
+        m_document->renderer()->mltAddTrackEffect(track, getEffectArgs(effect));
+        emit updateTrackEffectState(track - 1);
+        emit showTrackEffects(track, m_document->trackInfoAt(track - 1));
+        return;
+    }
     ClipItem *clip = getClipItemAt((int)pos.frames(m_document->fps()), m_document->tracksCount() - track);
     if (clip) {
         // Special case: speed effect
@@ -1514,6 +1633,16 @@ void CustomTrackView::addEffect(int track, GenTime pos, QDomElement effect)
 void CustomTrackView::deleteEffect(int track, GenTime pos, QDomElement effect)
 {
     QString index = effect.attribute("kdenlive_ix");
+    if (pos < GenTime()) {
+        // Delete track effect
+        if (m_document->renderer()->mltRemoveTrackEffect(track, index, true)) {
+           m_document->removeTrackEffect(track - 1, effect);
+       }
+       else emit displayMessage(i18n("Problem deleting effect"), ErrorMessage);
+        emit updateTrackEffectState(track - 1);
+        emit showTrackEffects(track, m_document->trackInfoAt(track - 1));
+        return;
+    }
     // Special case: speed effect
     if (effect.attribute("id") == "speed") {
         ClipItem *clip = getClipItemAt((int)pos.frames(m_document->fps()), m_document->tracksCount() - track);
@@ -1614,13 +1743,19 @@ void CustomTrackView::slotAddEffect(QDomElement effect, GenTime pos, int track)
             if (effect.attribute("type") == "audio") {
                 // Don't add audio effects on video clips
                 if (item->isVideoOnly() || (item->clipType() != AUDIO && item->clipType() != AV && item->clipType() != PLAYLIST)) {
-                    emit displayMessage(i18n("Cannot add an audio effect to this clip"), ErrorMessage);
+                    /* do not show error message when item is part of a group as the user probably knows what he does then
+                     * and the message is annoying when working with the split audio feature */
+                    if (!item->parentItem() || item->parentItem() == m_selectionGroup)
+                        emit displayMessage(i18n("Cannot add an audio effect to this clip"), ErrorMessage);
                     continue;
                 }
-            } else if (effect.hasAttribute("type") == false) {
+            } else if (effect.attribute("type") == "video" || !effect.hasAttribute("type")) {
                 // Don't add video effect on audio clips
                 if (item->isAudioOnly() || item->clipType() == AUDIO) {
-                    emit displayMessage(i18n("Cannot add a video effect to this clip"), ErrorMessage);
+                    /* do not show error message when item is part of a group as the user probably knows what he does then
+                     * and the message is annoying when working with the split audio feature */
+                    if (!item->parentItem() || item->parentItem() == m_selectionGroup)
+                        emit displayMessage(i18n("Cannot add a video effect to this clip"), ErrorMessage);
                     continue;
                 }
             }
@@ -1631,9 +1766,13 @@ void CustomTrackView::slotAddEffect(QDomElement effect, GenTime pos, int track)
             if (item->isItemLocked()) {
                 continue;
             }
+
             if (effect.attribute("id") == "freeze" && m_cursorPos > item->startPos().frames(m_document->fps()) && m_cursorPos < item->endPos().frames(m_document->fps())) {
                 item->initEffect(effect, m_cursorPos - item->startPos().frames(m_document->fps()));
-            } else item->initEffect(effect);
+            } else {
+                item->initEffect(effect);
+            }
+
             if (effect.attribute("tag") == "ladspa") {
                 QString ladpsaFile = m_document->getLadspaFile();
                 initEffects::ladspaEffectFile(ladpsaFile, effect.attribute("ladspaid").toInt(), getLadspaParams(effect));
@@ -1645,11 +1784,33 @@ void CustomTrackView::slotAddEffect(QDomElement effect, GenTime pos, int track)
     if (effectCommand->childCount() > 0) {
         m_commandStack->push(effectCommand);
         setDocumentModified();
+       if (effectCommand->childCount() == 1) {
+           // Display newly added clip effect
+           for (int i = 0; i < itemList.count(); i++) {
+               if (itemList.at(i)->type() == AVWIDGET) {
+                   ClipItem *clip = static_cast<ClipItem *>(itemList.at(i));
+                   if (!clip->isSelected()) {
+                       clearSelection();
+                       clip->setSelected(true);
+                   }
+                   clip->setSelectedEffect(clip->effectsCount() - 1);
+                   emit clipItemSelected(clip, clip->effectsCount() - 1);
+                   break;
+               }
+           }
+       }
     } else delete effectCommand;
 }
 
-void CustomTrackView::slotDeleteEffect(ClipItem *clip, QDomElement effect, bool affectGroup)
+void CustomTrackView::slotDeleteEffect(ClipItem *clip, int track, QDomElement effect, bool affectGroup)
 {
+    if (clip == NULL) {
+        // delete track effect
+        AddEffectCommand *command = new AddEffectCommand(this, track, GenTime(-1), effect, false);
+        m_commandStack->push(command);
+        setDocumentModified();
+        return;
+    }
     if (affectGroup && clip->parentItem() && clip->parentItem() == m_selectionGroup) {
         //clip is in a group, also remove the effect in other clips of the group
         QList<QGraphicsItem *> items = m_selectionGroup->childItems();
@@ -1680,8 +1841,11 @@ void CustomTrackView::slotDeleteEffect(ClipItem *clip, QDomElement effect, bool
                 }
             }
         }
-        if (delCommand->childCount() > 0) m_commandStack->push(delCommand);
-        else delete delCommand;
+        if (delCommand->childCount() > 0)
+            m_commandStack->push(delCommand);
+        else
+            delete delCommand;
+        setDocumentModified();
         return;
     }
     AddEffectCommand *command = new AddEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), effect, false);
@@ -1695,8 +1859,29 @@ void CustomTrackView::updateEffect(int track, GenTime pos, QDomElement insertedE
         emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
         return;
     }
-    ClipItem *clip = getClipItemAt((int)pos.frames(m_document->fps()), m_document->tracksCount() - track);
     QDomElement effect = insertedEffect.cloneNode().toElement();
+    //kDebug() << "// update effect ix: " << effect.attribute("kdenlive_ix")<<", TRACK: "<<track;
+    if (pos < GenTime()) {
+        // editing a track effect
+        EffectsParameterList effectParams = getEffectArgs(effect);
+        if (effect.attribute("tag") == "ladspa") {
+            // Update the ladspa affect file
+            initEffects::ladspaEffectFile(effect.attribute("src"), effect.attribute("ladspaid").toInt(), getLadspaParams(effect));
+        }
+        // check if we are trying to reset a keyframe effect
+        if (effectParams.hasParam("keyframes") && effectParams.paramValue("keyframes").isEmpty()) {
+            //clip->initEffect(effect);
+            effectParams = getEffectArgs(effect);
+        }
+        if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - track, pos, effectParams))
+            emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
+        m_document->setTrackEffect(m_document->tracksCount() - track - 1, ix, effect);
+        emit updateTrackEffectState(track);
+        setDocumentModified();
+        return;
+
+    }
+    ClipItem *clip = getClipItemAt((int)pos.frames(m_document->fps()), m_document->tracksCount() - track);
     if (clip) {
         // Special case: speed effect
         if (effect.attribute("id") == "speed") {
@@ -1715,7 +1900,7 @@ void CustomTrackView::updateEffect(int track, GenTime pos, QDomElement insertedE
             return;
         }
 
-        EffectsParameterList effectParams = clip->getEffectArgs(effect);
+        EffectsParameterList effectParams = getEffectArgs(effect);
         if (effect.attribute("tag") == "ladspa") {
             // Update the ladspa affect file
             initEffects::ladspaEffectFile(effect.attribute("src"), effect.attribute("ladspaid").toInt(), getLadspaParams(effect));
@@ -1723,7 +1908,7 @@ void CustomTrackView::updateEffect(int track, GenTime pos, QDomElement insertedE
         // check if we are trying to reset a keyframe effect
         if (effectParams.hasParam("keyframes") && effectParams.paramValue("keyframes").isEmpty()) {
             clip->initEffect(effect);
-            effectParams = clip->getEffectArgs(effect);
+            effectParams = getEffectArgs(effect);
         }
         if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - clip->track(), clip->startPos(), effectParams))
             emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
@@ -1750,6 +1935,19 @@ void CustomTrackView::updateEffect(int track, GenTime pos, QDomElement insertedE
 
 void CustomTrackView::moveEffect(int track, GenTime pos, int oldPos, int newPos)
 {
+    if (pos < GenTime()) {
+        // Moving track effect
+        QDomElement act = m_document->getTrackEffect(m_document->tracksCount() - track - 1, newPos - 1);
+        QDomElement before = m_document->getTrackEffect(m_document->tracksCount() - track - 1, oldPos - 1);
+
+        if (!act.isNull() && !before.isNull()) {
+            m_document->setTrackEffect(m_document->tracksCount() - track - 1, oldPos - 1, act);
+            m_document->setTrackEffect(m_document->tracksCount() - track - 1, newPos - 1, before);
+            m_document->renderer()->mltMoveEffect(m_document->tracksCount() - track, pos, oldPos, newPos);
+            emit showTrackEffects(m_document->tracksCount() - track, m_document->trackInfoAt(m_document->tracksCount() - track - 1));
+        } else emit displayMessage(i18n("Cannot move effect"), ErrorMessage);
+        return;
+    }
     ClipItem *clip = getClipItemAt((int)pos.frames(m_document->fps()), m_document->tracksCount() - track);
     if (clip && !clip->effectAt(newPos - 1).isNull() && !clip->effectAt(oldPos - 1).isNull()) {
         QDomElement act = clip->effectAt(newPos - 1);
@@ -1767,27 +1965,42 @@ void CustomTrackView::moveEffect(int track, GenTime pos, int oldPos, int newPos)
     } else emit displayMessage(i18n("Cannot move effect"), ErrorMessage);
 }
 
-void CustomTrackView::slotChangeEffectState(ClipItem *clip, int effectPos, bool disable)
+void CustomTrackView::slotChangeEffectState(ClipItem *clip, int track, int effectPos, bool disable)
 {
-    QDomElement effect = clip->effectAt(effectPos);
+    EditEffectCommand *command;
+    QDomElement effect;
+    if (clip == NULL) effect = m_document->getTrackEffect(track - 1, effectPos);
+    else effect = clip->effectAt(effectPos);
     QDomElement oldEffect = effect.cloneNode().toElement();
-
     effect.setAttribute("disable", (int) disable);
-    EditEffectCommand *command = new EditEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), oldEffect, effect, effectPos, true);
+
+
+    if (clip == NULL) {
+        // editing track effect
+        command = new EditEffectCommand(this, m_document->tracksCount() - track, GenTime(-1), oldEffect, effect, effectPos, true);
+    } else {
+        command = new EditEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), oldEffect, effect, effectPos, true);
+    }
     m_commandStack->push(command);
     setDocumentModified();;
 }
 
-void CustomTrackView::slotChangeEffectPosition(ClipItem *clip, int currentPos, int newPos)
+void CustomTrackView::slotChangeEffectPosition(ClipItem *clip, int track, int currentPos, int newPos)
 {
-    MoveEffectCommand *command = new MoveEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), currentPos, newPos);
+    MoveEffectCommand *command;
+    if (clip == NULL) {
+        // editing track effect
+        command = new MoveEffectCommand(this, m_document->tracksCount() - track, GenTime(-1), currentPos, newPos);
+    } else command = new MoveEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), currentPos, newPos);
     m_commandStack->push(command);
     setDocumentModified();
 }
 
-void CustomTrackView::slotUpdateClipEffect(ClipItem *clip, QDomElement oldeffect, QDomElement effect, int ix)
+void CustomTrackView::slotUpdateClipEffect(ClipItem *clip, int track, QDomElement oldeffect, QDomElement effect, int ix)
 {
-    EditEffectCommand *command = new EditEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), oldeffect, effect, ix, true);
+    EditEffectCommand *command;
+    if (clip) command = new EditEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), oldeffect, effect, ix, true);
+    else command = new EditEffectCommand(this, m_document->tracksCount() - track, GenTime(-1), oldeffect, effect, ix, true);
     m_commandStack->push(command);
 }
 
@@ -1807,16 +2020,13 @@ ClipItem *CustomTrackView::cutClip(ItemInfo info, GenTime cutTime, bool cut, boo
         ClipItem *item = getClipItemAt((int) info.startPos.frames(m_document->fps()), info.track);
         if (!item || cutTime >= item->endPos() || cutTime <= item->startPos()) {
             emit displayMessage(i18n("Cannot find clip to cut"), ErrorMessage);
-            if (item) kDebug() << "/////////  ERROR CUTTING CLIP : (" << item->startPos().frames(25) << "-" << item->endPos().frames(25) << "), INFO: (" << info.startPos.frames(25) << "-" << info.endPos.frames(25) << ")" << ", CUT: " << cutTime.frames(25);
-            else kDebug() << "/// ERROR NO CLIP at: " << info.startPos.frames(m_document->fps()) << ", track: " << info.track;
+            if (item)
+                kDebug() << "/////////  ERROR CUTTING CLIP : (" << item->startPos().frames(25) << "-" << item->endPos().frames(25) << "), INFO: (" << info.startPos.frames(25) << "-" << info.endPos.frames(25) << ")" << ", CUT: " << cutTime.frames(25);
+            else
+                kDebug() << "/// ERROR NO CLIP at: " << info.startPos.frames(m_document->fps()) << ", track: " << info.track;
             m_blockRefresh = false;
             return NULL;
         }
-        if (item->parentItem()) {
-            // Item is part of a group, reset group
-            resetSelectionGroup();
-        }
-        kDebug() << "/////////  CUTTING CLIP : (" << item->startPos().frames(25) << "-" << item->endPos().frames(25) << "), INFO: (" << info.startPos.frames(25) << "-" << info.endPos.frames(25) << ")" << ", CUT: " << cutTime.frames(25);
 
         if (execute) m_document->renderer()->mltCutClip(m_document->tracksCount() - info.track, cutTime);
         int cutPos = (int) cutTime.frames(m_document->fps());
@@ -1830,27 +2040,49 @@ ClipItem *CustomTrackView::cutClip(ItemInfo info, GenTime cutTime, bool cut, boo
         bool snap = KdenliveSettings::snaptopoints();
         KdenliveSettings::setSnaptopoints(false);
         ClipItem *dup = item->clone(newPos);
-        // remove unwanted effects (fade in) from 2nd part of cutted clip
+
+        // remove unwanted effects
+        // fade in from 2nd part of the clip
         int ix = dup->hasEffect(QString(), "fadein");
         if (ix != -1) {
-            QDomElement oldeffect = item->effectAt(ix);
+            QDomElement oldeffect = dup->effectAt(ix);
             dup->deleteEffect(oldeffect.attribute("kdenlive_ix"));
         }
         ix = dup->hasEffect(QString(), "fade_from_black");
         if (ix != -1) {
-            QDomElement oldeffect = item->effectAt(ix);
+            QDomElement oldeffect = dup->effectAt(ix);
             dup->deleteEffect(oldeffect.attribute("kdenlive_ix"));
         }
+        // fade out from 1st part of the clip
+        ix = item->hasEffect(QString(), "fadeout");
+        if (ix != -1) {
+            QDomElement oldeffect = item->effectAt(ix);
+            item->deleteEffect(oldeffect.attribute("kdenlive_ix"));
+        }
+        ix = item->hasEffect(QString(), "fade_to_black");
+        if (ix != -1) {
+            QDomElement oldeffect = item->effectAt(ix);
+            item->deleteEffect(oldeffect.attribute("kdenlive_ix"));
+        }
+
+
         item->resizeEnd(cutPos);
         scene()->addItem(dup);
-        if (item->checkKeyFrames()) slotRefreshEffects(item);
-        if (dup->checkKeyFrames()) slotRefreshEffects(dup);
+        if (item->checkKeyFrames())
+            slotRefreshEffects(item);
+        if (dup->checkKeyFrames())
+            slotRefreshEffects(dup);
+
+        updatePanZoom(item);
+        updatePanZoom(dup, cutTime - item->startPos());
+
         item->baseClip()->addReference();
         m_document->updateClip(item->baseClip()->getId());
         setDocumentModified();
         KdenliveSettings::setSnaptopoints(snap);
+        if (execute && item->isSelected())
+            emit clipItemSelected(item);
         return dup;
-        //kDebug() << "/////////  CUTTING CLIP RESULT: (" << item->startPos().frames(25) << "-" << item->endPos().frames(25) << "), DUP: (" << dup->startPos().frames(25) << "-" << dup->endPos().frames(25) << ")" << ", CUT: " << cutTime.frames(25);
     } else {
         // uncut clip
 
@@ -1867,31 +2099,50 @@ ClipItem *CustomTrackView::cutClip(ItemInfo info, GenTime cutTime, bool cut, boo
             return NULL;
         }
 
-        /*kDebug() << "// UNCUTTING CLIPS: ITEM 1 (" << item->startPos().frames(25) << "x" << item->endPos().frames(25) << ")";
-        kDebug() << "// UNCUTTING CLIPS: ITEM 2 (" << dup->startPos().frames(25) << "x" << dup->endPos().frames(25) << ")";
-        kDebug() << "// UNCUTTING CLIPS, INFO (" << info.startPos.frames(25) << "x" << info.endPos.frames(25) << ") , CUT: " << cutTime.frames(25);;*/
-        //deleteClip(dup->info());
-
         bool snap = KdenliveSettings::snaptopoints();
         KdenliveSettings::setSnaptopoints(false);
 
-        if (dup->isSelected()) emit clipItemSelected(NULL);
+        // join fade effects again
+        int ix = dup->hasEffect(QString(), "fadeout");
+        if (ix != -1) {
+            QDomElement effect = dup->effectAt(ix);
+            item->addEffect(effect);
+        }
+        ix = dup->hasEffect(QString(), "fade_to_black");
+        if (ix != -1) {
+            QDomElement effect = dup->effectAt(ix);
+            item->addEffect(effect);
+        }
+
+        m_waitingThumbs.removeAll(dup);
+        bool selected = item->isSelected();
+        if (dup->isSelected()) {
+            selected = true;
+            item->setSelected(true);
+            emit clipItemSelected(NULL);
+        }
         dup->baseClip()->removeReference();
         m_document->updateClip(dup->baseClip()->getId());
         scene()->removeItem(dup);
         delete dup;
+        dup = NULL;
 
         ItemInfo clipinfo = item->info();
         clipinfo.track = m_document->tracksCount() - clipinfo.track;
         bool success = m_document->renderer()->mltResizeClipEnd(clipinfo, info.endPos - info.startPos);
         if (success) {
             item->resizeEnd((int) info.endPos.frames(m_document->fps()));
+
+            updatePanZoom(item);
+
             setDocumentModified();
-        } else
+        } else {
             emit displayMessage(i18n("Error when resizing clip"), ErrorMessage);
+        }
         KdenliveSettings::setSnaptopoints(snap);
+        if (execute && selected)
+            emit clipItemSelected(item);
         return item;
-
     }
     //QTimer::singleShot(3000, this, SLOT(slotEnableRefresh()));
 }
@@ -2043,6 +2294,7 @@ void CustomTrackView::slotTransitionUpdated(Transition *tr, QDomElement old)
         return;
     }
     EditTransitionCommand *command = new EditTransitionCommand(this, tr->track(), tr->startPos(), old, xml, false);
+    updateTrackDuration(tr->track(), command);
     m_commandStack->push(command);
     setDocumentModified();
 }
@@ -2054,8 +2306,10 @@ void CustomTrackView::updateTransition(int track, GenTime pos, QDomElement oldTr
         kWarning() << "Unable to find transition at pos :" << pos.frames(m_document->fps()) << ", ON track: " << track;
         return;
     }
+    
     bool force = false;
-    if (oldTransition.attribute("transition_atrack") != transition.attribute("transition_atrack") || oldTransition.attribute("transition_btrack") != transition.attribute("transition_btrack")) force = true;
+    if (oldTransition.attribute("transition_atrack") != transition.attribute("transition_atrack") || oldTransition.attribute("transition_btrack") != transition.attribute("transition_btrack"))
+        force = true;
     m_document->renderer()->mltUpdateTransition(oldTransition.attribute("tag"), transition.attribute("tag"), transition.attribute("transition_btrack").toInt(), m_document->tracksCount() - transition.attribute("transition_atrack").toInt(), item->startPos(), item->endPos(), transition, force);
     //kDebug() << "ORIGINAL TRACK: "<< oldTransition.attribute("transition_btrack") << ", NEW TRACK: "<<transition.attribute("transition_btrack");
     item->setTransitionParameters(transition);
@@ -2136,7 +2390,9 @@ void CustomTrackView::dropEvent(QDropEvent * event)
             if (isLocked) item->setItemLocked(true);
             ItemInfo clipInfo = info;
             clipInfo.track = m_document->tracksCount() - item->track();
-            if (m_document->renderer()->mltInsertClip(clipInfo, item->xml(), item->baseClip()->producer(item->track()), m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT) == -1) {
+
+            int worked = m_document->renderer()->mltInsertClip(clipInfo, item->xml(), item->baseClip()->producer(item->track()), m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT);
+            if (worked == -1) {
                 emit displayMessage(i18n("Cannot insert clip in timeline"), ErrorMessage);
                 brokenClips.append(item);
                 continue;
@@ -2144,6 +2400,7 @@ void CustomTrackView::dropEvent(QDropEvent * event)
             adjustTimelineClips(m_scene->editMode(), item, ItemInfo(), addCommand);
 
             new AddTimelineClipCommand(this, item->xml(), item->clipProducer(), item->info(), item->effectList(), m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT, false, false, addCommand);
+            updateTrackDuration(info.track, addCommand);
 
             if (item->baseClip()->isTransparent() && getTransitionItemAtStart(info.startPos, info.track) == NULL) {
                 // add transparency transition
@@ -2163,7 +2420,7 @@ void CustomTrackView::dropEvent(QDropEvent * event)
         setDocumentModified();
 
         /*
-        // debug info
+        // debug info
         QRectF rect(0, 1 * m_tracksHeight + m_tracksHeight / 2, sceneRect().width(), 2);
         QList<QGraphicsItem *> selection = m_scene->items(rect);
         QStringList timelineList;
@@ -2181,7 +2438,12 @@ void CustomTrackView::dropEvent(QDropEvent * event)
         */
 
         m_pasteEffectsAction->setEnabled(m_copiedItems.count() == 1);
-        if (items.count() > 1) groupSelectedItems(true);
+        if (items.count() > 1) {
+            groupSelectedItems(true);
+        } else if (items.count() == 1) {
+            m_dragItem = static_cast <AbstractClipItem *>(items.at(0));
+            emit clipItemSelected((ClipItem*)m_dragItem);
+        }
         event->setDropAction(Qt::MoveAction);
         event->accept();
     } else QGraphicsView::dropEvent(event);
@@ -2229,6 +2491,7 @@ void CustomTrackView::adjustTimelineClips(EDITMODE mode, ClipItem *item, ItemInf
                     }
                 } else if (clip->endPos() <= info.endPos) {
                     new AddTimelineClipCommand(this, clip->xml(), clip->clipProducer(), clip->info(), clip->effectList(), false, false, false, true, command);
+                    m_waitingThumbs.removeAll(clip);
                     scene()->removeItem(clip);
                     delete clip;
                     clip = NULL;
@@ -2387,10 +2650,7 @@ void CustomTrackView::addTrack(TrackInfo type, int ix)
                 if (clip->speed() != 1.0) continue;
                 // We add a move clip command so that we get the correct producer for new track number
                 if (clip->clipType() == AV || clip->clipType() == AUDIO) {
-                    Mlt::Producer *prod;
-                    if (clip->isAudioOnly()) prod = clip->baseClip()->audioProducer(clipinfo.track);
-                    else if (clip->isVideoOnly()) prod = clip->baseClip()->videoProducer();
-                    else prod = clip->baseClip()->producer(clipinfo.track);
+                    Mlt::Producer *prod = clip->getProducer(clipinfo.track);
                     if (m_document->renderer()->mltUpdateClipProducer((int)(m_document->tracksCount() - clipinfo.track), clipinfo.startPos.frames(m_document->fps()), prod) == false) {
                         // problem updating clip
                         emit displayMessage(i18n("Cannot update clip (time: %1, track: %2)", clipinfo.startPos.frames(m_document->fps()), clipinfo.track), ErrorMessage);
@@ -2413,12 +2673,14 @@ void CustomTrackView::addTrack(TrackInfo type, int ix)
         l.setP2(QPointF(l.x2(), maxHeight));
         m_guides.at(i)->setLine(l);
     }
-    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), maxHeight);
+
+    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), maxHeight - 1);
     setSceneRect(0, 0, sceneRect().width(), m_tracksHeight * m_document->tracksCount());
     viewport()->update();
-    emit tracksChanged();
     //QTimer::singleShot(500, this, SIGNAL(trackHeightChanged()));
     //setFixedHeight(50 * m_tracksCount);
+
+    updateTrackNames(ix, true);
 }
 
 void CustomTrackView::removeTrack(int ix)
@@ -2460,10 +2722,7 @@ void CustomTrackView::removeTrack(int ix)
             ItemInfo clipinfo = clip->info();
             // We add a move clip command so that we get the correct producer for new track number
             if (clip->clipType() == AV || clip->clipType() == AUDIO) {
-                Mlt::Producer *prod;
-                if (clip->isAudioOnly()) prod = clip->baseClip()->audioProducer(clipinfo.track);
-                else if (clip->isVideoOnly()) prod = clip->baseClip()->videoProducer();
-                else prod = clip->baseClip()->producer(clipinfo.track);
+                Mlt::Producer *prod = clip->getProducer(clipinfo.track);
                 if (!m_document->renderer()->mltUpdateClipProducer((int)(m_document->tracksCount() - clipinfo.track), clipinfo.startPos.frames(m_document->fps()), prod)) {
                     emit displayMessage(i18n("Cannot update clip (time: %1, track: %2)", clipinfo.startPos.frames(m_document->fps()), clipinfo.track), ErrorMessage);
                 }
@@ -2486,12 +2745,13 @@ void CustomTrackView::removeTrack(int ix)
         l.setP2(QPointF(l.x2(), maxHeight));
         m_guides.at(i)->setLine(l);
     }
-    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), maxHeight);
+    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), maxHeight - 1);
     setSceneRect(0, 0, sceneRect().width(), m_tracksHeight * m_document->tracksCount());
 
     m_selectedTrack = qMin(m_selectedTrack, m_document->tracksCount() - 1);
     viewport()->update();
-    emit tracksChanged();
+
+    updateTrackNames(ix, false);
     //QTimer::singleShot(500, this, SIGNAL(trackHeightChanged()));
 }
 
@@ -2500,10 +2760,11 @@ void CustomTrackView::configTracks(QList < TrackInfo > trackInfos)
     for (int i = 0; i < trackInfos.count(); ++i) {
         m_document->setTrackType(i, trackInfos.at(i));
         m_document->renderer()->mltChangeTrackState(i + 1, m_document->trackInfoAt(i).isMute, m_document->trackInfoAt(i).isBlind);
+        lockTrack(m_document->tracksCount() - i - 1, m_document->trackInfoAt(i).isLocked, false);
     }
 
-    QTimer::singleShot(300, this, SIGNAL(trackHeightChanged()));
     viewport()->update();
+    emit trackHeightChanged();
 }
 
 void CustomTrackView::slotSwitchTrackAudio(int ix)
@@ -2525,24 +2786,71 @@ void CustomTrackView::slotSwitchTrackLock(int ix)
 }
 
 
-void CustomTrackView::lockTrack(int ix, bool lock)
+void CustomTrackView::lockTrack(int ix, bool lock, bool requestUpdate)
 {
     int tracknumber = m_document->tracksCount() - ix - 1;
     m_document->switchTrackLock(tracknumber, lock);
-    emit doTrackLock(ix, lock);
+    if (requestUpdate)
+        emit doTrackLock(ix, lock);
     AbstractClipItem *clip = NULL;
     QList<QGraphicsItem *> selection = m_scene->items(0, ix * m_tracksHeight + m_tracksHeight / 2, sceneRect().width(), m_tracksHeight / 2 - 2);
 
     for (int i = 0; i < selection.count(); i++) {
-        if (selection.at(i)->type() != AVWIDGET && selection.at(i)->type() != TRANSITIONWIDGET) continue;
-        if (selection.at(i)->isSelected()) {
-            if (selection.at(i)->type() == AVWIDGET) emit clipItemSelected(NULL);
-            else emit transitionItemSelected(NULL);
+        if (selection.at(i)->type() == GROUPWIDGET && (AbstractGroupItem *)selection.at(i) != m_selectionGroup) {
+            if (selection.at(i)->parentItem() && m_selectionGroup) {
+                selection.removeAll((QGraphicsItem*)m_selectionGroup);
+                resetSelectionGroup();
+            }
+
+            bool changeGroupLock = true;
+            bool hasClipOnTrack = false;
+            QList <QGraphicsItem *> children =  selection.at(i)->childItems();
+            for (int j = 0; j < children.count(); ++j) {
+                if (children.at(j)->isSelected()) {
+                    if (children.at(j)->type() == AVWIDGET)
+                        emit clipItemSelected(NULL);
+                    else if (children.at(j)->type() == TRANSITIONWIDGET)
+                        emit transitionItemSelected(NULL);
+                    else
+                        continue;
+                }
+
+                AbstractClipItem * child = static_cast <AbstractClipItem *>(children.at(j));
+                if (child == m_dragItem)
+                    m_dragItem = NULL;
+
+                // only unlock group, if it is not locked by another track too
+                if (!lock && child->track() != ix && m_document->trackInfoAt(m_document->tracksCount() - child->track() - 1).isLocked)
+                    changeGroupLock = false;
+                
+                // only (un-)lock if at least one clip is on the track
+                if (child->track() == ix)
+                    hasClipOnTrack = true;
+            }
+            if (changeGroupLock && hasClipOnTrack)
+                ((AbstractGroupItem*)selection.at(i))->setItemLocked(lock);
+        } else if((selection.at(i)->type() == AVWIDGET || selection.at(i)->type() == TRANSITIONWIDGET)) {
+            if (selection.at(i)->parentItem()) {
+                if (selection.at(i)->parentItem() == m_selectionGroup) {
+                    selection.removeAll((QGraphicsItem*)m_selectionGroup);
+                    resetSelectionGroup();
+                } else {
+                    // groups are handled separately
+                    continue;
+                }
+            }
+
+            if (selection.at(i)->isSelected()) {
+                if (selection.at(i)->type() == AVWIDGET)
+                    emit clipItemSelected(NULL);
+                else
+                    emit transitionItemSelected(NULL);
+            }
+            clip = static_cast <AbstractClipItem *>(selection.at(i));
+            clip->setItemLocked(lock);
+            if (clip == m_dragItem)
+                m_dragItem = NULL;
         }
-        clip = static_cast <AbstractClipItem *>(selection.at(i));
-        clip->setItemLocked(lock);
-        if (clip == m_dragItem)
-            m_dragItem = NULL;
     }
     kDebug() << "NEXT TRK STATE: " << m_document->trackInfoAt(tracknumber).isLocked;
     viewport()->update();
@@ -2634,6 +2942,7 @@ void CustomTrackView::slotRemoveSpace()
     }
 
     InsertSpaceCommand *command = new InsertSpaceCommand(this, clipsToMove, transitionsToMove, track, GenTime(-length, m_document->fps()), true);
+    updateTrackDuration(track, command);
     m_commandStack->push(command);
 }
 
@@ -2653,7 +2962,7 @@ void CustomTrackView::slotInsertSpace()
     track = d.selectedTrack();
 
     QList<QGraphicsItem *> items;
-    if (track > 0) {
+    if (track >= 0) {
         if (m_document->isTrackLocked(m_document->tracksCount() - track - 1)) {
             emit displayMessage(i18n("Cannot insert space in a locked track"), ErrorMessage);
             return;
@@ -2692,6 +3001,7 @@ void CustomTrackView::slotInsertSpace()
 
     if (!clipsToMove.isEmpty() || !transitionsToMove.isEmpty()) {
         InsertSpaceCommand *command = new InsertSpaceCommand(this, clipsToMove, transitionsToMove, track, spaceDuration, true);
+        updateTrackDuration(track, command);
         m_commandStack->push(command);
     }
 }
@@ -2786,8 +3096,12 @@ void CustomTrackView::deleteClip(const QString &clipId)
         }
     }
     deleteCommand->setText(i18np("Delete timeline clip", "Delete timeline clips", count));
-    if (count == 0) delete deleteCommand;
-    else m_commandStack->push(deleteCommand);
+    if (count == 0) {
+        delete deleteCommand;
+    } else {
+        updateTrackDuration(-1, deleteCommand);
+        m_commandStack->push(deleteCommand);
+    }
 }
 
 void CustomTrackView::setCursorPos(int pos, bool seek)
@@ -2795,7 +3109,7 @@ void CustomTrackView::setCursorPos(int pos, bool seek)
     if (pos == m_cursorPos) return;
     emit cursorMoved((int)(m_cursorPos), (int)(pos));
     m_cursorPos = pos;
-    if (seek) m_document->renderer()->seek(GenTime(m_cursorPos, m_document->fps()));
+    if (seek) m_document->renderer()->seek(m_cursorPos);
     else if (m_autoScroll) checkScrolling();
     m_cursorLine->setPos(m_cursorPos, 0);
 }
@@ -2816,7 +3130,7 @@ void CustomTrackView::moveCursorPos(int delta)
     emit cursorMoved((int)(m_cursorPos), (int)((m_cursorPos + delta)));
     m_cursorPos += delta;
     m_cursorLine->setPos(m_cursorPos, 0);
-    m_document->renderer()->seek(GenTime(m_cursorPos, m_document->fps()));
+    m_document->renderer()->seek(m_cursorPos);
 }
 
 void CustomTrackView::initCursorPos(int pos)
@@ -2905,17 +3219,19 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                         trackTransitionStartList[m_document->tracksCount() - info.track] = info.startPos.frames(m_document->fps());
                 }
             }
-
-            InsertSpaceCommand *command = new InsertSpaceCommand(this, clipsToMove, transitionsToMove, track, timeOffset, false);
-            m_commandStack->push(command);
-            if (track != -1) track = m_document->tracksCount() - track;
-            kDebug() << "SPACER TRACK:" << track;
-            m_document->renderer()->mltInsertSpace(trackClipStartList, trackTransitionStartList, track, timeOffset, GenTime());
+            if (!clipsToMove.isEmpty() || !transitionsToMove.isEmpty()) {
+                InsertSpaceCommand *command = new InsertSpaceCommand(this, clipsToMove, transitionsToMove, track, timeOffset, false);
+                updateTrackDuration(track, command);
+                m_commandStack->push(command);
+                if (track != -1) track = m_document->tracksCount() - track;
+                kDebug() << "SPACER TRACK:" << track;
+                m_document->renderer()->mltInsertSpace(trackClipStartList, trackTransitionStartList, track, timeOffset, GenTime());
+                setDocumentModified();
+            }
         }
         resetSelectionGroup(false);
         m_operationMode = NONE;
     } else if (m_operationMode == RUBBERSELECTION) {
-        //kDebug() << "// END RUBBER SELECT";
         resetSelectionGroup();
         groupSelectedItems();
         m_operationMode = NONE;
@@ -2934,11 +3250,8 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
             // we are moving one clip, easy
             if (m_dragItem->type() == AVWIDGET && (m_dragItemInfo.startPos != info.startPos || m_dragItemInfo.track != info.track)) {
                 ClipItem *item = static_cast <ClipItem *>(m_dragItem);
-                Mlt::Producer *prod;
-                if (item->isAudioOnly()) prod = item->baseClip()->audioProducer(m_dragItemInfo.track);
-                else if (item->isVideoOnly()) prod = item->baseClip()->videoProducer();
-                else prod = item->baseClip()->producer(m_dragItemInfo.track);
-                bool success = m_document->renderer()->mltMoveClip((int)(m_document->tracksCount() - m_dragItemInfo.track), (int)(m_document->tracksCount() - m_dragItem->track()), (int) m_dragItemInfo.startPos.frames(m_document->fps()), (int)(m_dragItem->startPos().frames(m_document->fps())), prod, m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT);
+                Mlt::Producer *prod = item->getProducer(info.track);
+                bool success = m_document->renderer()->mltMoveClip((int)(m_document->tracksCount() - m_dragItemInfo.track), (int)(m_document->tracksCount() - info.track), (int) m_dragItemInfo.startPos.frames(m_document->fps()), (int)(info.startPos.frames(m_document->fps())), prod, m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT);
 
                 if (success) {
                     QUndoCommand *moveCommand = new QUndoCommand();
@@ -3048,6 +3361,9 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                             }
                         }
                     }
+                    updateTrackDuration(info.track, moveCommand);
+                    if (m_dragItemInfo.track != info.track)
+                        updateTrackDuration(m_dragItemInfo.track, moveCommand);
                     m_commandStack->push(moveCommand);
                     //checkTrackSequence(m_dragItem->track());
                 } else {
@@ -3059,8 +3375,7 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                     emit displayMessage(i18n("Cannot move clip to position %1", m_document->timecode().getTimecodeFromFrames(m_dragItemInfo.startPos.frames(m_document->fps()))), ErrorMessage);
                 }
                 setDocumentModified();
-            }
-            if (m_dragItem->type() == TRANSITIONWIDGET && (m_dragItemInfo.startPos != info.startPos || m_dragItemInfo.track != info.track)) {
+            } else if (m_dragItem->type() == TRANSITIONWIDGET && (m_dragItemInfo.startPos != info.startPos || m_dragItemInfo.track != info.track)) {
                 Transition *transition = static_cast <Transition *>(m_dragItem);
                 transition->updateTransitionEndTrack(getPreviousVideoTrack(m_dragItem->track()));
                 if (!m_document->renderer()->mltMoveTransition(transition->transitionTag(), (int)(m_document->tracksCount() - m_dragItemInfo.track), (int)(m_document->tracksCount() - m_dragItem->track()), transition->transitionEndTrack(), m_dragItemInfo.startPos, m_dragItemInfo.endPos, info.startPos, info.endPos)) {
@@ -3072,13 +3387,21 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                     moveCommand->setText(i18n("Move transition"));
                     adjustTimelineTransitions(m_scene->editMode(), transition, moveCommand);
                     new MoveTransitionCommand(this, m_dragItemInfo, info, false, moveCommand);
+                    updateTrackDuration(info.track, moveCommand);
+                    if (m_dragItemInfo.track != info.track)
+                        updateTrackDuration(m_dragItemInfo.track, moveCommand);
                     m_commandStack->push(moveCommand);
+                    setDocumentModified();
                 }
             }
         } else {
             // Moving several clips. We need to delete them and readd them to new position,
             // or they might overlap each other during the move
-            QGraphicsItemGroup *group = static_cast <QGraphicsItemGroup *>(m_dragItem->parentItem());
+            QGraphicsItemGroup *group;
+            if (m_selectionGroup)
+                group = static_cast <QGraphicsItemGroup *>(m_selectionGroup);
+            else
+                group = static_cast <QGraphicsItemGroup *>(m_dragItem->parentItem());
             QList<QGraphicsItem *> items = group->childItems();
 
             QList<ItemInfo> clipsToMove;
@@ -3086,7 +3409,7 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
 
             GenTime timeOffset = GenTime(m_dragItem->scenePos().x(), m_document->fps()) - m_dragItemInfo.startPos;
             const int trackOffset = (int)(m_dragItem->scenePos().y() / m_tracksHeight) - m_dragItemInfo.track;
-            //kDebug() << "// MOVED SEVERAL CLIPS" << timeOffset.frames(25);
+
             QUndoCommand *moveGroup = new QUndoCommand();
             moveGroup->setText(i18n("Move group"));
             if (timeOffset != GenTime() || trackOffset != 0) {
@@ -3134,14 +3457,10 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                     if (item->type() == AVWIDGET) {
                         ClipItem *clip = static_cast <ClipItem*>(item);
                         info.track = m_document->tracksCount() - info.track;
-                        Mlt::Producer *prod;
                         adjustTimelineClips(m_scene->editMode(), clip, ItemInfo(), moveGroup);
-                        if (clip->isAudioOnly()) prod = clip->baseClip()->audioProducer(info.track);
-                        else if (clip->isVideoOnly()) prod = clip->baseClip()->videoProducer();
-                        else prod = clip->baseClip()->producer(info.track);
-                        m_document->renderer()->mltInsertClip(info, clip->xml(), prod, m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT);
+                        m_document->renderer()->mltInsertClip(info, clip->xml(), clip->getProducer(info.track), m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT);
                         for (int i = 0; i < clip->effectsCount(); i++) {
-                            m_document->renderer()->mltAddEffect(info.track, info.startPos, clip->getEffectArgs(clip->effectAt(i)), false);
+                            m_document->renderer()->mltAddEffect(info.track, info.startPos, getEffectArgs(clip->effectAt(i)), false);
                         }
                     } else {
                         Transition *tr = static_cast <Transition*>(item);
@@ -3154,8 +3473,8 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                         m_document->renderer()->mltAddTransition(tr->transitionTag(), newTrack, m_document->tracksCount() - info.track, info.startPos, info.endPos, tr->toXML());
                     }
                 }
-
                 new MoveGroupCommand(this, clipsToMove, transitionsToMove, timeOffset, trackOffset, false, moveGroup);
+                updateTrackDuration(-1, moveGroup);
                 m_commandStack->push(moveGroup);
 
                 //QPointF top = group->sceneBoundingRect().topLeft();
@@ -3166,6 +3485,25 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                 if (m_selectionGroup) {
                     m_selectionGroupInfo.startPos = GenTime(m_selectionGroup->scenePos().x(), m_document->fps());
                     m_selectionGroupInfo.track = m_selectionGroup->track();
+
+                    for (int i = 0; i < items.count(); ++i) {
+                        if (items.at(i)->type() == GROUPWIDGET) {
+                            rebuildGroup((AbstractGroupItem*)items.at(i));
+                            items.removeAt(i);
+                            --i;
+                        }
+                    }
+                    for (int i = 0; i < items.count(); ++i) {
+                        if (items.at(i)) {
+                            items.at(i)->setSelected(true);
+                            if (items.at(i)->parentItem())
+                                items.at(i)->parentItem()->setSelected(true);
+                        }
+                    }
+                    resetSelectionGroup();
+                    groupSelectedItems();
+                } else {
+                    rebuildGroup((AbstractGroupItem *)group);
                 }
                 setDocumentModified();
             }
@@ -3173,10 +3511,53 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
         m_document->renderer()->doRefresh();
     } else if (m_operationMode == RESIZESTART && m_dragItem->startPos() != m_dragItemInfo.startPos) {
         // resize start
-        prepareResizeClipStart(m_dragItem, m_dragItemInfo, m_dragItem->startPos().frames(m_document->fps()));
+        if (!m_controlModifier && m_dragItem->type() == AVWIDGET && m_dragItem->parentItem() && m_dragItem->parentItem() != m_selectionGroup) {
+            AbstractGroupItem *parent = static_cast <AbstractGroupItem *>(m_dragItem->parentItem());
+            if (parent) {
+                QUndoCommand *resizeCommand = new QUndoCommand();
+                resizeCommand->setText(i18n("Resize group"));
+                QList <QGraphicsItem *> items = parent->childItems();
+                QList <ItemInfo> infos = parent->resizeInfos();
+                parent->clearResizeInfos();
+                int itemcount = 0;
+                for (int i = 0; i < items.count(); ++i) {
+                    AbstractClipItem *item = static_cast<AbstractClipItem *>(items.at(i));
+                    if (item && item->type() == AVWIDGET) {
+                        ItemInfo info = infos.at(itemcount);
+                        prepareResizeClipStart(item, info, item->startPos().frames(m_document->fps()), false, resizeCommand);
+                        ++itemcount;
+                    }
+                }
+                m_commandStack->push(resizeCommand);
+            }
+        } else {
+            prepareResizeClipStart(m_dragItem, m_dragItemInfo, m_dragItem->startPos().frames(m_document->fps()));
+        }
     } else if (m_operationMode == RESIZEEND && m_dragItem->endPos() != m_dragItemInfo.endPos) {
         // resize end
-        prepareResizeClipEnd(m_dragItem, m_dragItemInfo, m_dragItem->endPos().frames(m_document->fps()));
+        if (!m_controlModifier && m_dragItem->type() == AVWIDGET && m_dragItem->parentItem() && m_dragItem->parentItem() != m_selectionGroup) {
+            AbstractGroupItem *parent = static_cast <AbstractGroupItem *>(m_dragItem->parentItem());
+            if (parent) {
+                QUndoCommand *resizeCommand = new QUndoCommand();
+                resizeCommand->setText(i18n("Resize group"));
+                QList <QGraphicsItem *> items = parent->childItems();
+                QList <ItemInfo> infos = parent->resizeInfos();
+                parent->clearResizeInfos();
+                int itemcount = 0;
+                for (int i = 0; i < items.count(); ++i) {
+                    AbstractClipItem *item = static_cast<AbstractClipItem *>(items.at(i));
+                    if (item && item->type() == AVWIDGET) {
+                        ItemInfo info = infos.at(itemcount);
+                        prepareResizeClipEnd(item, info, item->endPos().frames(m_document->fps()), false, resizeCommand);
+                        ++itemcount;
+                    }
+                }
+                updateTrackDuration(-1, resizeCommand);
+                m_commandStack->push(resizeCommand);
+            }
+        } else {
+            prepareResizeClipEnd(m_dragItem, m_dragItemInfo, m_dragItem->endPos().frames(m_document->fps()));
+        }
     } else if (m_operationMode == FADEIN) {
         // resize fade in effect
         ClipItem * item = static_cast <ClipItem *>(m_dragItem);
@@ -3187,13 +3568,13 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
             int start = item->cropStart().frames(m_document->fps());
             int end = item->fadeIn();
             if (end == 0) {
-                slotDeleteEffect(item, oldeffect, false);
+                slotDeleteEffect(item, -1, oldeffect, false);
             } else {
                 end += start;
                 QDomElement effect = oldeffect.cloneNode().toElement();
                 EffectsList::setParameter(oldeffect, "in", QString::number(start));
                 EffectsList::setParameter(oldeffect, "out", QString::number(end));
-                slotUpdateClipEffect(item, effect, oldeffect, ix);
+                slotUpdateClipEffect(item, -1, effect, oldeffect, ix);
                 emit clipItemSelected(item, ix);
             }
         } else if (item->fadeIn() != 0 && ix2 == -1) {
@@ -3210,13 +3591,13 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
             int start = item->cropStart().frames(m_document->fps());
             int end = item->fadeIn();
             if (end == 0) {
-                slotDeleteEffect(item, oldeffect, false);
+                slotDeleteEffect(item, -1, oldeffect, false);
             } else {
                 end += start;
                 QDomElement effect = oldeffect.cloneNode().toElement();
                 EffectsList::setParameter(oldeffect, "in", QString::number(start));
                 EffectsList::setParameter(oldeffect, "out", QString::number(end));
-                slotUpdateClipEffect(item, effect, oldeffect, ix2);
+                slotUpdateClipEffect(item, -1, effect, oldeffect, ix2);
                 emit clipItemSelected(item, ix2);
             }
         }
@@ -3230,14 +3611,14 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
             int end = (item->cropDuration() + item->cropStart()).frames(m_document->fps());
             int start = item->fadeOut();
             if (start == 0) {
-                slotDeleteEffect(item, oldeffect, false);
+                slotDeleteEffect(item, -1, oldeffect, false);
             } else {
                 start = end - start;
                 QDomElement effect = oldeffect.cloneNode().toElement();
                 EffectsList::setParameter(oldeffect, "in", QString::number(start));
                 EffectsList::setParameter(oldeffect, "out", QString::number(end));
                 // kDebug()<<"EDIT FADE OUT : "<<start<<"x"<<end;
-                slotUpdateClipEffect(item, effect, oldeffect, ix);
+                slotUpdateClipEffect(item, -1, effect, oldeffect, ix);
                 emit clipItemSelected(item, ix);
             }
         } else if (item->fadeOut() != 0 && ix2 == -1) {
@@ -3255,14 +3636,14 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
             int end = (item->cropDuration() + item->cropStart()).frames(m_document->fps());
             int start = item->fadeOut();
             if (start == 0) {
-                slotDeleteEffect(item, oldeffect, false);
+                slotDeleteEffect(item, -1, oldeffect, false);
             } else {
                 start = end - start;
                 QDomElement effect = oldeffect.cloneNode().toElement();
                 EffectsList::setParameter(oldeffect, "in", QString::number(start));
                 EffectsList::setParameter(oldeffect, "out", QString::number(end));
                 // kDebug()<<"EDIT FADE OUT : "<<start<<"x"<<end;
-                slotUpdateClipEffect(item, effect, oldeffect, ix2);
+                slotUpdateClipEffect(item, -1, effect, oldeffect, ix2);
                 emit clipItemSelected(item, ix2);
             }
         }
@@ -3279,10 +3660,12 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
         int start = item->cropStart().frames(m_document->fps());
         int end = (item->cropStart() + item->cropDuration()).frames(m_document->fps()) - 1;
 
-        if ((val < -50 || val > 150) && item->editedKeyFramePos() != start && item->editedKeyFramePos() != end) {
+        if ((val < -50 || val > 150) && item->editedKeyFramePos() != start && item->editedKeyFramePos() != end && item->keyFrameNumber() > 1) {
             //delete keyframe
             item->movedKeyframe(item->getEffectAt(item->selectedEffectIndex()), item->selectedKeyFramePos(), -1, 0);
-        } else item->movedKeyframe(item->getEffectAt(item->selectedEffectIndex()), item->selectedKeyFramePos(), item->editedKeyFramePos(), item->editedKeyFrameValue());
+        } else {
+            item->movedKeyframe(item->getEffectAt(item->selectedEffectIndex()), item->selectedKeyFramePos(), item->editedKeyFramePos(), item->editedKeyFrameValue());
+        }
 
         QDomElement newEffect = item->selectedEffect().cloneNode().toElement();
         //item->updateKeyframeEffect();
@@ -3319,6 +3702,7 @@ void CustomTrackView::deleteClip(ItemInfo info, bool refresh)
         emit displayMessage(i18n("Error removing clip at %1 on track %2", m_document->timecode().getTimecodeFromFrames(info.startPos.frames(m_document->fps())), info.track), ErrorMessage);
         return;
     }
+    m_waitingThumbs.removeAll(item);
     if (item->isSelected()) emit clipItemSelected(NULL);
     item->baseClip()->removeReference();
     m_document->updateClip(item->baseClip()->getId());
@@ -3332,8 +3716,9 @@ void CustomTrackView::deleteClip(ItemInfo info, bool refresh)
             delete tr;
         }
     }*/
-    m_waitingThumbs.removeAll(item);
+
     if (m_dragItem == item) m_dragItem = NULL;
+
 #if QT_VERSION >= 0x040600
     // animate item deletion
     item->closeAnimation();
@@ -3421,6 +3806,7 @@ void CustomTrackView::deleteSelectedClips()
     else if (transitionCount > 0 && groupCount == 0 && clipCount == 0)
         deleteSelected->setText(i18np("Delete selected transition", "Delete selected transitions", transitionCount));
     else deleteSelected->setText(i18n("Delete selected items"));
+    updateTrackDuration(-1, deleteSelected);
     m_commandStack->push(deleteSelected);
 }
 
@@ -3455,7 +3841,9 @@ void CustomTrackView::changeClipSpeed()
 
 void CustomTrackView::doChangeClipSpeed(ItemInfo info, ItemInfo speedIndependantInfo, const double speed, const double oldspeed, int strobe, const QString &id)
 {
-    DocClipBase *baseclip = m_document->clipManager()->getClipById(id);
+    Q_UNUSED(id)
+    //DocClipBase *baseclip = m_document->clipManager()->getClipById(id);
+
     ClipItem *item = getClipItemAt((int) info.startPos.frames(m_document->fps()), info.track);
     if (!item) {
         kDebug() << "ERROR: Cannot find clip for speed change";
@@ -3463,35 +3851,122 @@ void CustomTrackView::doChangeClipSpeed(ItemInfo info, ItemInfo speedIndependant
         return;
     }
     info.track = m_document->tracksCount() - item->track();
-    int endPos;
-    if (item->isVideoOnly()) endPos = m_document->renderer()->mltChangeClipSpeed(info, speedIndependantInfo, speed, oldspeed, strobe, baseclip->videoProducer());
-    else if (item->isAudioOnly()) endPos = m_document->renderer()->mltChangeClipSpeed(info, speedIndependantInfo, speed, oldspeed, strobe, baseclip->audioProducer(item->track()));
-    else endPos = m_document->renderer()->mltChangeClipSpeed(info, speedIndependantInfo, speed, oldspeed, strobe, baseclip->producer());
+    int endPos = m_document->renderer()->mltChangeClipSpeed(info, speedIndependantInfo, speed, oldspeed, strobe, item->getProducer(item->track(), false));
     if (endPos >= 0) {
         item->setSpeed(speed, strobe);
         item->updateRectGeometry();
-        if (item->cropDuration().frames(m_document->fps()) != endPos) {
+        if (item->cropDuration().frames(m_document->fps()) != endPos)
             item->resizeEnd((int) info.startPos.frames(m_document->fps()) + endPos - 1);
-        }
         updatePositionEffects(item, info);
         setDocumentModified();
-    } else emit displayMessage(i18n("Invalid clip"), ErrorMessage);
+    } else {
+        emit displayMessage(i18n("Invalid clip"), ErrorMessage);
+    }
 }
 
 void CustomTrackView::cutSelectedClips()
 {
     QList<QGraphicsItem *> itemList = scene()->selectedItems();
+    QList<AbstractGroupItem *> groups;
     GenTime currentPos = GenTime(m_cursorPos, m_document->fps());
-    for (int i = 0; i < itemList.count(); i++) {
+    for (int i = 0; i < itemList.count(); ++i) {
+        if (!itemList.at(i))
+            continue;
         if (itemList.at(i)->type() == AVWIDGET) {
             ClipItem *item = static_cast <ClipItem *>(itemList.at(i));
             if (item->parentItem() && item->parentItem() != m_selectionGroup) {
-                emit displayMessage(i18n("Cannot cut a clip in a group"), ErrorMessage);
-            } else if (currentPos > item->startPos() && currentPos <  item->endPos()) {
+                AbstractGroupItem *group = static_cast <AbstractGroupItem *>(item->parentItem());
+                if (!groups.contains(group))
+                    groups << group;
+            } else if (currentPos > item->startPos() && currentPos < item->endPos()) {
                 RazorClipCommand *command = new RazorClipCommand(this, item->info(), currentPos);
                 m_commandStack->push(command);
             }
+        } else if (itemList.at(i)->type() == GROUPWIDGET && itemList.at(i) != m_selectionGroup) {
+            AbstractGroupItem *group = static_cast<AbstractGroupItem *>(itemList.at(i));
+            if (!groups.contains(group))
+                groups << group;
+        }
+    }
+
+    for (int i = 0; i < groups.count(); ++i)
+        razorGroup(groups.at(i), currentPos);
+}
+
+void CustomTrackView::razorGroup(AbstractGroupItem* group, GenTime cutPos)
+{
+    if (group) {
+        QList <QGraphicsItem *> children = group->childItems();
+        QList <ItemInfo> clips1, transitions1;
+        QList <ItemInfo> clipsCut, transitionsCut;
+        QList <ItemInfo> clips2, transitions2;
+        for (int i = 0; i < children.count(); ++i) {
+            children.at(i)->setSelected(false);
+            AbstractClipItem *child = static_cast <AbstractClipItem *>(children.at(i));
+            if (child->type() == AVWIDGET) {
+                if (cutPos > child->endPos())
+                    clips1 << child->info();
+                else if (cutPos < child->startPos())
+                    clips2 << child->info();
+                else
+                    clipsCut << child->info();
+            } else {
+                if (cutPos > child->endPos())
+                    transitions1 << child->info();
+                else if (cutPos < child->startPos())
+                    transitions2 << child->info();
+                else
+                    transitionsCut << child->info();
+            }
+        }
+        if (clipsCut.isEmpty() && transitionsCut.isEmpty() && ((clips1.isEmpty() && transitions1.isEmpty()) || (clips2.isEmpty() && transitions2.isEmpty())))
+            return;
+        RazorGroupCommand *command = new RazorGroupCommand(this, clips1, transitions1, clipsCut, transitionsCut, clips2, transitions2, cutPos);
+        m_commandStack->push(command);
+    }
+}
+
+void CustomTrackView::slotRazorGroup(QList <ItemInfo> clips1, QList <ItemInfo> transitions1, QList <ItemInfo> clipsCut, QList <ItemInfo> transitionsCut, QList <ItemInfo> clips2, QList <ItemInfo> transitions2, GenTime cutPos, bool cut)
+{
+    if (cut) {
+        for (int i = 0; i < clipsCut.count(); ++i) {
+            ClipItem *clip = getClipItemAt(clipsCut.at(i).startPos.frames(m_document->fps()), clipsCut.at(i).track);
+            if (clip) {
+                ClipItem *clipBehind = cutClip(clipsCut.at(i), cutPos, true);
+                clips1 << clip->info();
+                if (clipBehind != NULL)
+                    clips2 << clipBehind->info();
+            }
+        }
+        /* TODO: cut transitionsCut
+         * For now just append them to group1 */
+        transitions1 << transitionsCut;
+        doGroupClips(clips1, transitions1, true);
+        doGroupClips(clips2, transitions2, true);
+    } else {
+        /* we might also just use clipsCut.at(0)->parentItem().
+         * Do this loop just in case something went wrong during cut */
+        for (int i = 0; i < clipsCut.count(); ++i) {
+            ClipItem *clip = getClipItemAt(cutPos.frames(m_document->fps()), clipsCut.at(i).track);
+            if (clip && clip->parentItem() && clip->parentItem()->type() == GROUPWIDGET) {
+                AbstractGroupItem *group = static_cast <AbstractGroupItem *>(clip->parentItem());
+                QList <QGraphicsItem *> children = group->childItems();
+                QList <ItemInfo> groupClips;
+                QList <ItemInfo> groupTrans;
+                for (int j = 0; j < children.count(); ++j) {
+                    if (children.at(j)->type() == AVWIDGET)
+                        groupClips << ((AbstractClipItem *)children.at(j))->info();
+                    else if (children.at(j)->type() == TRANSITIONWIDGET)
+                        groupTrans << ((AbstractClipItem *)children.at(j))->info();
+                }
+                doGroupClips(groupClips, groupTrans, false);
+                break;
+            }
         }
+        for (int i = 0; i < clipsCut.count(); ++i)
+            cutClip(clipsCut.at(i), cutPos, false);
+        // TODO: uncut transitonsCut
+        doGroupClips(QList <ItemInfo>() << clips1 << clipsCut << clips2, QList <ItemInfo>() << transitions1 << transitionsCut << transitions2, true);
     }
 }
 
@@ -3567,7 +4042,6 @@ void CustomTrackView::doGroupClips(QList <ItemInfo> clipInfos, QList <ItemInfo>
             clip->setSelected(true);
         }
     }
-
     groupSelectedItems(false, true);
     setDocumentModified();
 }
@@ -3579,6 +4053,27 @@ void CustomTrackView::addClip(QDomElement xml, const QString &clipId, ItemInfo i
         emit displayMessage(i18n("No clip copied"), ErrorMessage);
         return;
     }
+
+    if (baseclip->producer() == NULL) {
+        // If the clip has no producer, we must wait until it is created...
+        m_mutex.lock();
+        emit displayMessage(i18n("Waiting for clip..."), InformationMessage);
+        emit forceClipProcessing(clipId);
+        qApp->processEvents();
+        for (int i = 0; i < 3; i++) {
+            if (baseclip->producer() == NULL) {
+                m_producerNotReady.wait(&m_mutex, 500 + 500 * i);
+            } else break;
+        }
+        if (baseclip->producer() == NULL) {
+            emit displayMessage(i18n("Cannot insert clip..."), ErrorMessage);
+            m_mutex.unlock();
+            return;
+        }
+        emit displayMessage(QString(), InformationMessage);
+        m_mutex.unlock();
+    }
+
     ClipItem *item = new ClipItem(baseclip, info, m_document->fps(), xml.attribute("speed", "1").toDouble(), xml.attribute("strobe", "1").toInt());
     item->setEffectList(effects);
     if (xml.hasAttribute("audio_only")) item->setAudioOnly(true);
@@ -3592,17 +4087,15 @@ void CustomTrackView::addClip(QDomElement xml, const QString &clipId, ItemInfo i
     baseclip->addReference();
     m_document->updateClip(baseclip->getId());
     info.track = m_document->tracksCount() - info.track;
-    Mlt::Producer *prod;
-    if (item->isAudioOnly()) prod = baseclip->audioProducer(info.track);
-    else if (item->isVideoOnly()) prod = baseclip->videoProducer();
-    else prod = baseclip->producer(info.track);
-    m_document->renderer()->mltInsertClip(info, xml, prod, overwrite, push);
+    m_document->renderer()->mltInsertClip(info, xml, item->getProducer(info.track), overwrite, push);
     for (int i = 0; i < item->effectsCount(); i++) {
-        m_document->renderer()->mltAddEffect(info.track, info.startPos, item->getEffectArgs(item->effectAt(i)), false);
+        m_document->renderer()->mltAddEffect(info.track, info.startPos, getEffectArgs(item->effectAt(i)), false);
     }
     setDocumentModified();
-    if (refresh) m_document->renderer()->doRefresh();
-    if (!baseclip->isPlaceHolder()) m_waitingThumbs.append(item);
+    if (refresh)
+        m_document->renderer()->doRefresh();
+    if (!baseclip->isPlaceHolder())
+        m_waitingThumbs.append(item);
     m_thumbsTimer.start();
 }
 
@@ -3616,11 +4109,10 @@ void CustomTrackView::slotUpdateClip(const QString &clipId, bool reload)
             if (clip->clipProducer() == clipId) {
                 ItemInfo info = clip->info();
                 info.track = m_document->tracksCount() - clip->track();
-                if (reload && !m_document->renderer()->mltUpdateClip(info, clip->xml(), clip->baseClip()->producer())) {
+                if (reload && !m_document->renderer()->mltUpdateClip(info, clip->xml(), clip->baseClip()->producer(info.track))) {
                     emit displayMessage(i18n("Cannot update clip (time: %1, track: %2)", info.startPos.frames(m_document->fps()), info.track), ErrorMessage);
                 }
-                clip->refreshClip(true);
-                clip->update();
+                clip->refreshClip(true, true);
             }
         }
     }
@@ -3739,10 +4231,7 @@ void CustomTrackView::moveClip(const ItemInfo start, const ItemInfo end, bool re
         kDebug() << "----------------  ERROR, CANNOT find clip to move at.. ";
         return;
     }
-    Mlt::Producer *prod;
-    if (item->isAudioOnly()) prod = item->baseClip()->audioProducer(end.track);
-    else if (item->isVideoOnly()) prod = item->baseClip()->videoProducer();
-    else prod = item->baseClip()->producer(end.track);
+    Mlt::Producer *prod = item->getProducer(end.track);
 
     bool success = m_document->renderer()->mltMoveClip((int)(m_document->tracksCount() - start.track), (int)(m_document->tracksCount() - end.track), (int) start.startPos.frames(m_document->fps()), (int)end.startPos.frames(m_document->fps()), prod);
     if (success) {
@@ -3774,14 +4263,11 @@ void CustomTrackView::moveClip(const ItemInfo start, const ItemInfo end, bool re
         emit displayMessage(i18n("Cannot move clip to position %1", m_document->timecode().getTimecodeFromFrames(end.startPos.frames(m_document->fps()))), ErrorMessage);
     }
     if (refresh) m_document->renderer()->doRefresh();
-    //kDebug() << " // MOVED CLIP TO: " << end.startPos.frames(25) << ", ITEM START: " << item->startPos().frames(25);
 }
 
 void CustomTrackView::moveGroup(QList <ItemInfo> startClip, QList <ItemInfo> startTransition, const GenTime offset, const int trackOffset, bool reverseMove)
 {
     // Group Items
-    /*kDebug() << "//GRP MOVE, REVERS:" << reverseMove;
-    kDebug() << "// GROUP MOV; OFFSET: " << offset.frames(25) << ", TK OFF: " << trackOffset;*/
     resetSelectionGroup();
     m_scene->clearSelection();
 
@@ -3794,7 +4280,6 @@ void CustomTrackView::moveGroup(QList <ItemInfo> startClip, QList <ItemInfo> sta
             startClip[i].startPos = startClip.at(i).startPos - offset;
             startClip[i].track = startClip.at(i).track - trackOffset;
         }
-        //kDebug()<<"//LKING FR CLIP AT:"<<startClip.at(i).startPos.frames(25)<<", TK:"<<startClip.at(i).track;
         ClipItem *clip = getClipItemAt(startClip.at(i).startPos, startClip.at(i).track);
         if (clip) {
             clip->setItemLocked(false);
@@ -3858,22 +4343,24 @@ void CustomTrackView::moveGroup(QList <ItemInfo> startClip, QList <ItemInfo> sta
             ItemInfo info = item->info();
             int tracknumber = m_document->tracksCount() - info.track - 1;
             bool isLocked = m_document->trackInfoAt(tracknumber).isLocked;
-            if (isLocked) item->setItemLocked(true);
-            else if (item->isItemLocked()) item->setItemLocked(false);
+            if (isLocked)
+                item->setItemLocked(true);
+            else if (item->isItemLocked())
+                item->setItemLocked(false);
 
             if (item->type() == AVWIDGET) {
                 ClipItem *clip = static_cast <ClipItem*>(item);
                 info.track = m_document->tracksCount() - info.track;
-                Mlt::Producer *prod;
-                if (clip->isAudioOnly()) prod = clip->baseClip()->audioProducer(info.track);
-                else if (clip->isVideoOnly()) prod = clip->baseClip()->videoProducer();
-                else prod = clip->baseClip()->producer(info.track);
-                m_document->renderer()->mltInsertClip(info, clip->xml(), prod);
+                m_document->renderer()->mltInsertClip(info, clip->xml(), clip->getProducer(info.track));
+                for (int i = 0; i < clip->effectsCount(); i++) {
+                    m_document->renderer()->mltAddEffect(info.track, info.startPos, getEffectArgs(clip->effectAt(i)), false);
+                }
             } else if (item->type() == TRANSITIONWIDGET) {
                 Transition *tr = static_cast <Transition*>(item);
                 int newTrack;
-                if (!tr->forcedTrack()) newTrack = getPreviousVideoTrack(info.track);
-                else {
+                if (!tr->forcedTrack()) {
+                    newTrack = getPreviousVideoTrack(info.track);
+                } else {
                     newTrack = tr->transitionEndTrack() + trackOffset;
                     if (newTrack < 0 || newTrack > m_document->tracksCount()) newTrack = getPreviousVideoTrack(info.track);
                 }
@@ -3881,7 +4368,15 @@ void CustomTrackView::moveGroup(QList <ItemInfo> startClip, QList <ItemInfo> sta
                 m_document->renderer()->mltAddTransition(tr->transitionTag(), newTrack, m_document->tracksCount() - info.track, info.startPos, info.endPos, tr->toXML());
             }
         }
+
         resetSelectionGroup(false);
+
+        for (int i = 0; i < children.count(); i++) {
+            if (children.at(i)->parentItem())
+                rebuildGroup((AbstractGroupItem*)children.at(i)->parentItem());
+        }
+        clearSelection();
+
         KdenliveSettings::setSnaptopoints(snap);
         m_document->renderer()->doRefresh();
     } else kDebug() << "///////// WARNING; NO GROUP TO MOVE";
@@ -3895,10 +4390,10 @@ void CustomTrackView::moveTransition(const ItemInfo start, const ItemInfo end, b
         kDebug() << "----------------  ERROR, CANNOT find transition to move... ";// << startPos.x() * m_scale * FRAME_SIZE + 1 << ", " << startPos.y() * m_tracksHeight + m_tracksHeight / 2;
         return;
     }
-    //kDebug() << "----------------  Move TRANSITION FROM: " << startPos.x() << ", END:" << endPos.x() << ",TRACKS: " << oldtrack << " TO " << newtrack;
+
     bool snap = KdenliveSettings::snaptopoints();
     KdenliveSettings::setSnaptopoints(false);
-    //kDebug()<<"///  RESIZE TRANS START: ("<< startPos.x()<<"x"<< startPos.y()<<") / ("<<endPos.x()<<"x"<< endPos.y()<<")";
+
     if (end.endPos - end.startPos == start.endPos - start.startPos) {
         // Transition was moved
         item->setPos((int) end.startPos.frames(m_document->fps()), (end.track) * m_tracksHeight + 1);
@@ -3952,6 +4447,7 @@ void CustomTrackView::resizeClip(const ItemInfo start, const ItemInfo end, bool
 
     bool snap = KdenliveSettings::snaptopoints();
     KdenliveSettings::setSnaptopoints(false);
+
     if (resizeClipStart) {
         ItemInfo clipinfo = item->info();
         clipinfo.track = m_document->tracksCount() - clipinfo.track;
@@ -3985,7 +4481,7 @@ void CustomTrackView::resizeClip(const ItemInfo start, const ItemInfo end, bool
     setDocumentModified();
 }
 
-void CustomTrackView::prepareResizeClipStart(AbstractClipItem* item, ItemInfo oldInfo, int pos, bool check)
+void CustomTrackView::prepareResizeClipStart(AbstractClipItem* item, ItemInfo oldInfo, int pos, bool check, QUndoCommand *command)
 {
     if (pos == oldInfo.startPos.frames(m_document->fps()))
         return;
@@ -4001,15 +4497,25 @@ void CustomTrackView::prepareResizeClipStart(AbstractClipItem* item, ItemInfo ol
         }
         KdenliveSettings::setSnaptopoints(snap);
     }
+
+    bool hasParentCommand = false;
+    if (command) {
+        hasParentCommand = true;
+    } else {
+        command = new QUndoCommand();
+        command->setText(i18n("Resize clip start"));
+    }
+
+    // do this here, too, because otherwise undo won't update the group
+    if (item->parentItem() && item->parentItem() != m_selectionGroup)
+        new RebuildGroupCommand(this, item->info().track, item->endPos() - GenTime(1, m_document->fps()), command);
+
     ItemInfo info = item->info();
     if (item->type() == AVWIDGET) {
         ItemInfo resizeinfo = oldInfo;
         resizeinfo.track = m_document->tracksCount() - resizeinfo.track;
         bool success = m_document->renderer()->mltResizeClipStart(resizeinfo, item->startPos() - oldInfo.startPos);
         if (success) {
-            QUndoCommand *resizeCommand = new QUndoCommand();
-            resizeCommand->setText(i18n("Resize clip"));
-
             // Check if there is an automatic transition on that clip (lower track)
             Transition *transition = getTransitionItemAtStart(oldInfo.startPos, oldInfo.track);
             if (transition && transition->isAutomatic()) {
@@ -4017,7 +4523,7 @@ void CustomTrackView::prepareResizeClipStart(AbstractClipItem* item, ItemInfo ol
                 ItemInfo newTrInfo = trInfo;
                 newTrInfo.startPos = item->startPos();
                 if (newTrInfo.startPos < newTrInfo.endPos)
-                    new MoveTransitionCommand(this, trInfo, newTrInfo, true, resizeCommand);
+                    new MoveTransitionCommand(this, trInfo, newTrInfo, true, command);
             }
             // Check if there is an automatic transition on that clip (upper track)
             transition = getTransitionItemAtStart(oldInfo.startPos, oldInfo.track - 1);
@@ -4027,10 +4533,14 @@ void CustomTrackView::prepareResizeClipStart(AbstractClipItem* item, ItemInfo ol
                 newTrInfo.startPos = item->startPos();
                 ClipItem * upperClip = getClipItemAt(oldInfo.startPos, oldInfo.track - 1);
                 if ((!upperClip || !upperClip->baseClip()->isTransparent()) && newTrInfo.startPos < newTrInfo.endPos)
-                    new MoveTransitionCommand(this, trInfo, newTrInfo, true, resizeCommand);
+                    new MoveTransitionCommand(this, trInfo, newTrInfo, true, command);
             }
 
+            /*
+             * TODO: cleanup the effect update process
+             */
             ClipItem *clip = static_cast < ClipItem * >(item);
+
             updatePositionEffects(clip, oldInfo);
 
             // check keyframes
@@ -4054,18 +4564,16 @@ void CustomTrackView::prepareResizeClipStart(AbstractClipItem* item, ItemInfo ol
                 // put a resize command before & after checking keyframes so that
                 // we are sure the resize is performed before whenever we do or undo the action
 
-                new ResizeClipCommand(this, oldInfo, info, false, true, resizeCommand);
+                new ResizeClipCommand(this, oldInfo, info, false, true, command);
                 for (int i = 0; i < indexes.count(); i++) {
-                    new EditEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), effs.at(i).cloneNode().toElement(), clip->effectAt(indexes.at(i)), indexes.at(i), false, resizeCommand);
+                    new EditEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), effs.at(i).cloneNode().toElement(), clip->effectAt(indexes.at(i)), indexes.at(i), false, command);
                     updateEffect(m_document->tracksCount() - clip->track(), clip->startPos(), clip->effectAt(indexes.at(i)), indexes.at(i));
                 }
-                new ResizeClipCommand(this, oldInfo, info, false, true, resizeCommand);
+                new ResizeClipCommand(this, oldInfo, info, false, true, command);
                 emit clipItemSelected(clip);
             } else {
-                new ResizeClipCommand(this, oldInfo, info, false, false, resizeCommand);
+                new ResizeClipCommand(this, oldInfo, info, false, false, command);
             }
-
-            m_commandStack->push(resizeCommand);
         } else {
             KdenliveSettings::setSnaptopoints(false);
             item->resizeStart((int) oldInfo.startPos.frames(m_document->fps()));
@@ -4081,16 +4589,20 @@ void CustomTrackView::prepareResizeClipStart(AbstractClipItem* item, ItemInfo ol
             KdenliveSettings::setSnaptopoints(snap);
             emit displayMessage(i18n("Cannot resize transition"), ErrorMessage);
         } else {
-            MoveTransitionCommand *command = new MoveTransitionCommand(this, oldInfo, info, false);
-            m_commandStack->push(command);
+            MoveTransitionCommand *moveCommand = new MoveTransitionCommand(this, oldInfo, info, false, command);
+            if (command == NULL)
+                m_commandStack->push(moveCommand);
         }
 
     }
     if (item->parentItem() && item->parentItem() != m_selectionGroup)
-        rebuildGroup(static_cast <AbstractGroupItem *>(item->parentItem()));
+        new RebuildGroupCommand(this, item->info().track, item->endPos() - GenTime(1, m_document->fps()), command);
+
+    if (!hasParentCommand)
+        m_commandStack->push(command);
 }
 
-void CustomTrackView::prepareResizeClipEnd(AbstractClipItem* item, ItemInfo oldInfo, int pos, bool check)
+void CustomTrackView::prepareResizeClipEnd(AbstractClipItem* item, ItemInfo oldInfo, int pos, bool check, QUndoCommand *command)
 {
     if (pos == oldInfo.endPos.frames(m_document->fps()))
         return;
@@ -4106,15 +4618,25 @@ void CustomTrackView::prepareResizeClipEnd(AbstractClipItem* item, ItemInfo oldI
         }
         KdenliveSettings::setSnaptopoints(snap);
     }
+
+    bool hasParentCommand = false;
+    if (command) {
+        hasParentCommand = true;
+    } else {
+        command = new QUndoCommand();
+    }
+
+    // do this here, too, because otherwise undo won't update the group
+    if (item->parentItem() && item->parentItem() != m_selectionGroup)
+        new RebuildGroupCommand(this, item->info().track, item->startPos(), command);
+
     ItemInfo info = item->info();
     if (item->type() == AVWIDGET) {
+        if (!hasParentCommand) command->setText(i18n("Resize clip end"));
         ItemInfo resizeinfo = info;
         resizeinfo.track = m_document->tracksCount() - resizeinfo.track;
-        bool success = m_document->renderer()->mltResizeClipEnd(resizeinfo, resizeinfo.endPos - resizeinfo.startPos);
+        bool success = m_document->renderer()->mltResizeClipEnd(resizeinfo, resizeinfo.cropDuration);
         if (success) {
-            QUndoCommand *resizeCommand = new QUndoCommand();
-            resizeCommand->setText(i18n("Resize clip"));
-
             // Check if there is an automatic transition on that clip (lower track)
             Transition *tr = getTransitionItemAtEnd(oldInfo.endPos, oldInfo.track);
             if (tr && tr->isAutomatic()) {
@@ -4122,7 +4644,7 @@ void CustomTrackView::prepareResizeClipEnd(AbstractClipItem* item, ItemInfo oldI
                 ItemInfo newTrInfo = trInfo;
                 newTrInfo.endPos = item->endPos();
                 if (newTrInfo.endPos > newTrInfo.startPos)
-                    new MoveTransitionCommand(this, trInfo, newTrInfo, true, resizeCommand);
+                    new MoveTransitionCommand(this, trInfo, newTrInfo, true, command);
             }
 
             // Check if there is an automatic transition on that clip (upper track)
@@ -4133,12 +4655,15 @@ void CustomTrackView::prepareResizeClipEnd(AbstractClipItem* item, ItemInfo oldI
                 newTrInfo.endPos = item->endPos();
                 ClipItem * upperClip = getClipItemAtEnd(oldInfo.endPos, oldInfo.track - 1);
                 if ((!upperClip || !upperClip->baseClip()->isTransparent()) && newTrInfo.endPos > newTrInfo.startPos)
-                    new MoveTransitionCommand(this, trInfo, newTrInfo, true, resizeCommand);
+                    new MoveTransitionCommand(this, trInfo, newTrInfo, true, command);
 
             }
 
-            // check keyframes
             ClipItem *clip = static_cast < ClipItem * >(item);
+
+            updatePositionEffects(clip, oldInfo);
+
+            // check keyframes
             QDomDocument doc;
             QDomElement root = doc.createElement("list");
             doc.appendChild(root);
@@ -4159,19 +4684,16 @@ void CustomTrackView::prepareResizeClipEnd(AbstractClipItem* item, ItemInfo oldI
                 // put a resize command before & after checking keyframes so that
                 // we are sure the resize is performed before whenever we do or undo the action
 
-                new ResizeClipCommand(this, oldInfo, info, false, true, resizeCommand);
+                new ResizeClipCommand(this, oldInfo, info, false, true, command);
                 for (int i = 0; i < indexes.count(); i++) {
-                    new EditEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), effs.at(i).cloneNode().toElement(), clip->effectAt(indexes.at(i)), indexes.at(i), false, resizeCommand);
+                    new EditEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), effs.at(i).cloneNode().toElement(), clip->effectAt(indexes.at(i)), indexes.at(i), false, command);
                     updateEffect(m_document->tracksCount() - clip->track(), clip->startPos(), clip->effectAt(indexes.at(i)), indexes.at(i));
                 }
-                new ResizeClipCommand(this, oldInfo, info, false, true, resizeCommand);
+                new ResizeClipCommand(this, oldInfo, info, false, true, command);
                 emit clipItemSelected(clip);
             } else {
-                new ResizeClipCommand(this, oldInfo, info, false, false, resizeCommand);
+                new ResizeClipCommand(this, oldInfo, info, false, false, command);
             }
-
-            m_commandStack->push(resizeCommand);
-            updatePositionEffects(clip, oldInfo);
         } else {
             KdenliveSettings::setSnaptopoints(false);
             item->resizeEnd((int) oldInfo.endPos.frames(m_document->fps()));
@@ -4179,6 +4701,7 @@ void CustomTrackView::prepareResizeClipEnd(AbstractClipItem* item, ItemInfo oldI
             emit displayMessage(i18n("Error when resizing clip"), ErrorMessage);
         }
     } else if (item->type() == TRANSITIONWIDGET) {
+        if (!hasParentCommand) command->setText(i18n("Resize transition end"));
         Transition *transition = static_cast <Transition *>(item);
         if (!m_document->renderer()->mltMoveTransition(transition->transitionTag(), (int)(m_document->tracksCount() - oldInfo.track), (int)(m_document->tracksCount() - oldInfo.track), transition->transitionEndTrack(), oldInfo.startPos, oldInfo.endPos, info.startPos, info.endPos)) {
             // Cannot resize transition
@@ -4187,12 +4710,23 @@ void CustomTrackView::prepareResizeClipEnd(AbstractClipItem* item, ItemInfo oldI
             KdenliveSettings::setSnaptopoints(true);
             emit displayMessage(i18n("Cannot resize transition"), ErrorMessage);
         } else {
-            MoveTransitionCommand *command = new MoveTransitionCommand(this, oldInfo, info, false);
-            m_commandStack->push(command);
+            // Check transition keyframes
+            QDomElement old = transition->toXML();
+            if (transition->updateKeyframes()) {
+                QDomElement xml = transition->toXML();
+                m_document->renderer()->mltUpdateTransition(xml.attribute("tag"), xml.attribute("tag"), xml.attribute("transition_btrack").toInt(), m_document->tracksCount() - xml.attribute("transition_atrack").toInt(), transition->startPos(), transition->endPos(), xml);
+                new EditTransitionCommand(this, transition->track(), transition->startPos(), old, xml, false, command);
+            }
+            new MoveTransitionCommand(this, oldInfo, info, false, command);
         }
     }
     if (item->parentItem() && item->parentItem() != m_selectionGroup)
-        rebuildGroup(static_cast <AbstractGroupItem *>(item->parentItem()));
+        new RebuildGroupCommand(this, item->info().track, item->startPos(), command);
+
+    if (!hasParentCommand) {
+        updateTrackDuration(oldInfo.track, command);
+        m_commandStack->push(command);
+    }
 }
 
 void CustomTrackView::updatePositionEffects(ClipItem * item, ItemInfo info)
@@ -4213,7 +4747,7 @@ void CustomTrackView::updatePositionEffects(ClipItem * item, ItemInfo info)
             end += start;
             EffectsList::setParameter(oldeffect, "in", QString::number(start));
             EffectsList::setParameter(oldeffect, "out", QString::number(end));
-            if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), item->getEffectArgs(oldeffect)))
+            if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), getEffectArgs(oldeffect)))
                 emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
             // if fade effect is displayed, update the effect edit widget with new clip duration
             if (item->isSelected() && effectPos == item->selectedEffectIndex()) emit clipItemSelected(item, effectPos);
@@ -4231,7 +4765,7 @@ void CustomTrackView::updatePositionEffects(ClipItem * item, ItemInfo info)
             end += start;
             EffectsList::setParameter(oldeffect, "in", QString::number(start));
             EffectsList::setParameter(oldeffect, "out", QString::number(end));
-            if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), item->getEffectArgs(oldeffect)))
+            if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), getEffectArgs(oldeffect)))
                 emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
             // if fade effect is displayed, update the effect edit widget with new clip duration
             if (item->isSelected() && effectPos == item->selectedEffectIndex()) emit clipItemSelected(item, effectPos);
@@ -4253,7 +4787,7 @@ void CustomTrackView::updatePositionEffects(ClipItem * item, ItemInfo info)
             start = end - start;
             EffectsList::setParameter(oldeffect, "in", QString::number(start));
             EffectsList::setParameter(oldeffect, "out", QString::number(end));
-            if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), item->getEffectArgs(oldeffect)))
+            if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), getEffectArgs(oldeffect)))
                 emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
             // if fade effect is displayed, update the effect edit widget with new clip duration
             if (item->isSelected() && effectPos == item->selectedEffectIndex()) emit clipItemSelected(item, effectPos);
@@ -4271,7 +4805,7 @@ void CustomTrackView::updatePositionEffects(ClipItem * item, ItemInfo info)
             start = end - start;
             EffectsList::setParameter(oldeffect, "in", QString::number(start));
             EffectsList::setParameter(oldeffect, "out", QString::number(end));
-            if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), item->getEffectArgs(oldeffect)))
+            if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), getEffectArgs(oldeffect)))
                 emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
             // if fade effect is displayed, update the effect edit widget with new clip duration
             if (item->isSelected() && effectPos == item->selectedEffectIndex()) emit clipItemSelected(item, effectPos);
@@ -4292,22 +4826,7 @@ void CustomTrackView::updatePositionEffects(ClipItem * item, ItemInfo info)
         }
     }
 
-    effectPos = item->hasEffect("affine", "pan_zoom");
-    if (effectPos != -1) {
-        QDomElement oldeffect = item->effectAt(effectPos);
-        int start = item->cropStart().frames(m_document->fps());
-        int max = start + item->cropDuration().frames(m_document->fps());
-        if (start < 0) {
-            max -= start;
-            start = 0;
-        }
-        oldeffect.setAttribute("in", start);
-        oldeffect.setAttribute("out", max);
-        if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), item->getEffectArgs(oldeffect)))
-            emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
-        // if effect is displayed, update the effect edit widget with new clip duration
-        if (item->isSelected() && effectPos == item->selectedEffectIndex()) emit clipItemSelected(item, effectPos);
-    }
+    updatePanZoom(item);
 }
 
 double CustomTrackView::getSnapPointForPos(double pos)
@@ -4380,6 +4899,11 @@ void CustomTrackView::updateSnapPoints(AbstractClipItem *selected, QList <GenTim
         }
     }
 
+    // add render zone
+    QPoint z = m_document->zone();
+    snaps.append(GenTime(z.x(), m_document->fps()));
+    snaps.append(GenTime(z.y(), m_document->fps()));
+
     qSort(snaps);
     m_scene->setSnapList(snaps);
     //for (int i = 0; i < m_snapPoints.size(); ++i)
@@ -4527,13 +5051,19 @@ bool CustomTrackView::addGuide(const GenTime pos, const QString &comment)
     return true;
 }
 
-void CustomTrackView::slotAddGuide()
+void CustomTrackView::slotAddGuide(bool dialog)
 {
     CommentedTime marker(GenTime(m_cursorPos, m_document->fps()), i18n("Guide"));
-    MarkerDialog d(NULL, marker, m_document->timecode(), i18n("Add Guide"), this);
-    if (d.exec() != QDialog::Accepted) return;
-    if (addGuide(d.newMarker().time(), d.newMarker().comment())) {
-        EditGuideCommand *command = new EditGuideCommand(this, GenTime(), QString(), d.newMarker().time(), d.newMarker().comment(), false);
+    if (dialog) {
+        MarkerDialog d(NULL, marker, m_document->timecode(), i18n("Add Guide"), this);
+        if (d.exec() != QDialog::Accepted) return;
+        marker = d.newMarker();
+        
+    } else {
+        marker.setComment(m_document->timecode().getDisplayTimecodeFromFrames(m_cursorPos, false));
+    }
+    if (addGuide(marker.time(), marker.comment())) {
+        EditGuideCommand *command = new EditGuideCommand(this, GenTime(), QString(), marker.time(), marker.comment(), false);
         m_commandStack->push(command);
     }
 }
@@ -4622,13 +5152,12 @@ void CustomTrackView::setScale(double scaleFactor, double verticalScale)
     newmatrix = newmatrix.scale(scaleFactor, verticalScale);
     m_scene->setScale(scaleFactor, verticalScale);
     removeTipAnimation();
-    double verticalPos = mapToScene(QPoint(0, viewport()->height() / 2)).y();
     bool adjust = false;
     if (verticalScale != matrix().m22()) adjust = true;
     setMatrix(newmatrix);
     if (adjust) {
         double newHeight = m_tracksHeight * m_document->tracksCount() * matrix().m22();
-        m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), newHeight);
+        m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), newHeight - 1);
         for (int i = 0; i < m_guides.count(); i++) {
             QLineF l = m_guides.at(i)->line();
             l.setP2(QPointF(l.x2(), newHeight));
@@ -4639,52 +5168,46 @@ void CustomTrackView::setScale(double scaleFactor, double verticalScale)
 
     int diff = sceneRect().width() - m_projectDuration;
     if (diff * newmatrix.m11() < 50) {
-        if (newmatrix.m11() < 0.4) setSceneRect(0, 0, (m_projectDuration + 100 / newmatrix.m11()), sceneRect().height());
-        else setSceneRect(0, 0, (m_projectDuration + 300), sceneRect().height());
+        if (newmatrix.m11() < 0.4)
+            setSceneRect(0, 0, (m_projectDuration + 100 / newmatrix.m11()), sceneRect().height());
+        else
+            setSceneRect(0, 0, (m_projectDuration + 300), sceneRect().height());
     }
+    double verticalPos = mapToScene(QPoint(0, viewport()->height() / 2)).y();
     centerOn(QPointF(cursorPos(), verticalPos));
 }
 
 void CustomTrackView::slotRefreshGuides()
 {
     if (KdenliveSettings::showmarkers()) {
-        for (int i = 0; i < m_guides.count(); i++) {
+        for (int i = 0; i < m_guides.count(); i++)
             m_guides.at(i)->update();
-        }
     }
 }
 
 void CustomTrackView::drawBackground(QPainter * painter, const QRectF &rect)
 {
-    //kDebug() << "// DRAW BG: " << rect.width();
     painter->setClipRect(rect);
-    KColorScheme scheme(palette().currentColorGroup(), KColorScheme::Window);
     QPen pen1 = painter->pen();
-    pen1.setColor(scheme.shade(KColorScheme::DarkShade));
+    pen1.setColor(palette().dark().color());
     painter->setPen(pen1);
     double min = rect.left();
     double max = rect.right();
     painter->drawLine(QPointF(min, 0), QPointF(max, 0));
     int maxTrack = m_document->tracksCount();
-    QColor lockedColor = scheme.background(KColorScheme::NegativeBackground).color();
+    QColor lockedColor = palette().button().color();
     QColor audioColor = palette().alternateBase().color();
-    QColor base = scheme.background(KColorScheme::NormalBackground).color();
     for (int i = 0; i < maxTrack; i++) {
         TrackInfo info = m_document->trackInfoAt(maxTrack - i - 1);
         if (info.isLocked || info.type == AUDIOTRACK || i == m_selectedTrack) {
             const QRectF track(min, m_tracksHeight * i + 1, max - min, m_tracksHeight - 1);
             if (i == m_selectedTrack)
-                painter->fillRect(track, scheme.background(KColorScheme::ActiveBackground).color());
+                painter->fillRect(track, m_activeTrackBrush.brush(this));
             else
                 painter->fillRect(track, info.isLocked ? lockedColor : audioColor);
         }
         painter->drawLine(QPointF(min, m_tracksHeight *(i + 1)), QPointF(max, m_tracksHeight *(i + 1)));
     }
-    int lowerLimit = m_tracksHeight * maxTrack + 1;
-    if (height() > lowerLimit) {
-        const QRectF bg(min, lowerLimit, max - min, height() - lowerLimit);
-        painter->fillRect(bg, base);
-    }
 }
 
 bool CustomTrackView::findString(const QString &text)
@@ -4750,9 +5273,8 @@ void CustomTrackView::initSearchStrings()
     }
 
     // add guides
-    for (int i = 0; i < m_guides.count(); i++) {
+    for (int i = 0; i < m_guides.count(); i++)
         m_searchPoints.append(m_guides.at(i)->info());
-    }
 
     qSort(m_searchPoints);
 }
@@ -4770,9 +5292,8 @@ QList<ItemInfo> CustomTrackView::findId(const QString &clipId)
     for (int i = 0; i < itemList.count(); i++) {
         if (itemList.at(i)->type() == AVWIDGET) {
             ClipItem *item = (ClipItem *)itemList.at(i);
-            if (item->clipProducer() == clipId) {
+            if (item->clipProducer() == clipId)
                 matchingInfo << item->info();
-            }
         }
     }
     return matchingInfo;
@@ -4874,16 +5395,24 @@ void CustomTrackView::pasteClip()
         return;
     }
     QPoint position;
+    int track = -1;
+    GenTime pos = GenTime(-1);
     if (m_menuPosition.isNull()) {
         position = mapFromGlobal(QCursor::pos());
         if (!contentsRect().contains(position) || mapToScene(position).y() / m_tracksHeight > m_document->tracksCount()) {
-            emit displayMessage(i18n("Cannot paste selected clips"), ErrorMessage);
-            return;
+            track = m_selectedTrack;
+            pos = GenTime(m_cursorPos, m_document->fps());
+            /*emit displayMessage(i18n("Cannot paste selected clips"), ErrorMessage);
+            return;*/
         }
-    } else position = m_menuPosition;
+    } else {
+        position = m_menuPosition;
+    }
 
-    GenTime pos = GenTime((int)(mapToScene(position).x()), m_document->fps());
-    int track = (int)(mapToScene(position).y() / m_tracksHeight);
+    if (pos == GenTime(-1))
+        pos = GenTime((int)(mapToScene(position).x()), m_document->fps());
+    if (track == -1)
+        track = (int)(mapToScene(position).y() / m_tracksHeight);
 
     GenTime leftPos = m_copiedItems.at(0)->startPos();
     int lowerTrack = m_copiedItems.at(0)->track();
@@ -4933,6 +5462,7 @@ void CustomTrackView::pasteClip()
             } else emit displayMessage(i18n("Cannot paste transition to selected place"), ErrorMessage);
         }
     }
+    updateTrackDuration(-1, pasteClips);
     m_commandStack->push(pasteClips);
 }
 
@@ -4961,7 +5491,6 @@ void CustomTrackView::pasteClipEffects()
         }
     }
 
-
     for (int i = 0; i < clips.count(); ++i) {
         if (clips.at(i)->type() == AVWIDGET) {
             ClipItem *item = static_cast < ClipItem *>(clips.at(i));
@@ -5107,7 +5636,7 @@ void CustomTrackView::slotUpdateAllThumbs()
     for (int i = 0; i < itemList.count(); i++) {
         if (itemList.at(i)->type() == AVWIDGET) {
             item = static_cast <ClipItem *>(itemList.at(i));
-            if (item->clipType() != COLOR && item->clipType() != AUDIO) {
+            if (item && item->isEnabled() && item->clipType() != COLOR && item->clipType() != AUDIO) {
                 // Check if we have a cached thumbnail
                 if (item->clipType() == IMAGE || item->clipType() == TEXT) {
                     QString thumb = thumbBase + item->baseClip()->getClipHash() + "_0.png";
@@ -5132,9 +5661,8 @@ void CustomTrackView::slotUpdateAllThumbs()
                         item->slotSetEndThumb(pix);
                     }
                 }
+                item->refreshClip(false, false);
             }
-            item->refreshClip(false);
-            //qApp->processEvents();
         }
     }
     viewport()->update();
@@ -5179,28 +5707,24 @@ void CustomTrackView::saveThumbnails()
 void CustomTrackView::slotInsertTrack(int ix)
 {
     TrackDialog d(m_document, parentWidget());
+    d.comboTracks->setCurrentIndex(ix);
     d.label->setText(i18n("Insert track"));
-    d.track_nb->setMaximum(m_document->tracksCount() - 1);
-    d.track_nb->setValue(ix);
     d.setWindowTitle(i18n("Insert New Track"));
-    d.slotUpdateName(ix);
 
     if (d.exec() == QDialog::Accepted) {
-        ix = d.track_nb->value();
-        if (d.before_select->currentIndex() == 1) {
+        ix = d.comboTracks->currentIndex();
+        if (d.before_select->currentIndex() == 1)
             ix++;
-        }
         TrackInfo info;
+        info.duration = 0;
+        info.isMute = false;
+        info.isLocked = false;
         if (d.video_track->isChecked()) {
             info.type = VIDEOTRACK;
-            info.isMute = false;
             info.isBlind = false;
-            info.isLocked = false;
         } else {
             info.type = AUDIOTRACK;
-            info.isMute = false;
             info.isBlind = true;
-            info.isLocked = false;
         }
         AddTrackCommand *addTrack = new AddTrackCommand(this, ix, info, true);
         m_commandStack->push(addTrack);
@@ -5212,16 +5736,14 @@ void CustomTrackView::slotDeleteTrack(int ix)
 {
     if (m_document->tracksCount() < 2) return;
     TrackDialog d(m_document, parentWidget());
+    d.comboTracks->setCurrentIndex(ix);
     d.label->setText(i18n("Delete track"));
     d.before_select->setHidden(true);
-    d.track_nb->setMaximum(m_document->tracksCount() - 1);
-    d.track_nb->setValue(ix);
-    d.slotUpdateName(ix);
     d.setWindowTitle(i18n("Delete Track"));
     d.video_track->setHidden(true);
     d.audio_track->setHidden(true);
     if (d.exec() == QDialog::Accepted) {
-        ix = d.track_nb->value();
+        ix = d.comboTracks->currentIndex();
         TrackInfo info = m_document->trackInfoAt(m_document->tracksCount() - ix - 1);
         deleteTimelineTrack(ix, info);
         setDocumentModified();
@@ -5259,6 +5781,7 @@ void CustomTrackView::deleteTimelineTrack(int ix, TrackInfo trackinfo)
         if (selection.at(i)->type() == AVWIDGET) {
             ClipItem *item =  static_cast <ClipItem *>(selection.at(i));
             new AddTimelineClipCommand(this, item->xml(), item->clipProducer(), item->info(), item->effectList(), false, false, false, true, deleteTrack);
+            m_waitingThumbs.removeAll(item);
             m_scene->removeItem(item);
             delete item;
             item = NULL;
@@ -5361,8 +5884,7 @@ void CustomTrackView::loadGroups(const QDomNodeList groups)
         QDomNodeList children = groups.at(i).childNodes();
         scene()->clearSelection();
         for (int nodeindex = 0; nodeindex < children.count(); nodeindex++) {
-            QDomNode n = children.item(nodeindex);
-            QDomElement elem = n.toElement();
+            QDomElement elem = children.item(nodeindex).toElement();
             int pos = elem.attribute("position").toInt();
             int track = elem.attribute("track").toInt();
             if (elem.tagName() == "clipitem") {
@@ -5399,8 +5921,10 @@ void CustomTrackView::splitAudio()
             }
         }
     }
-    if (splitCommand->childCount() > 0)
+    if (splitCommand->childCount()) {
+        updateTrackDuration(-1, splitCommand);
         m_commandStack->push(splitCommand);
+    }
 }
 
 void CustomTrackView::doSplitAudio(const GenTime &pos, int track, bool split)
@@ -5413,12 +5937,17 @@ void CustomTrackView::doSplitAudio(const GenTime &pos, int track, bool split)
     if (split) {
         int start = pos.frames(m_document->fps());
         int freetrack = m_document->tracksCount() - track - 1;
+
+        // do not split audio when we are on an audio track
+        if (m_document->trackInfoAt(freetrack).type == AUDIOTRACK)
+            return;
+
         for (; freetrack > 0; freetrack--) {
-            kDebug() << "// CHK DOC TRK:" << freetrack << ", DUR:" << m_document->renderer()->mltTrackDuration(freetrack);
+            //kDebug() << "// CHK DOC TRK:" << freetrack << ", DUR:" << m_document->renderer()->mltTrackDuration(freetrack);
             if (m_document->trackInfoAt(freetrack - 1).type == AUDIOTRACK && !m_document->trackInfoAt(freetrack - 1).isLocked) {
-                kDebug() << "// CHK DOC TRK:" << freetrack << ", DUR:" << m_document->renderer()->mltTrackDuration(freetrack);
+                //kDebug() << "// CHK DOC TRK:" << freetrack << ", DUR:" << m_document->renderer()->mltTrackDuration(freetrack);
                 if (m_document->renderer()->mltTrackDuration(freetrack) < start || m_document->renderer()->mltGetSpaceLength(pos, freetrack, false) >= clip->cropDuration().frames(m_document->fps())) {
-                    kDebug() << "FOUND SPACE ON TRK: " << freetrack;
+                    //kDebug() << "FOUND SPACE ON TRK: " << freetrack;
                     break;
                 }
             }
@@ -5693,6 +6222,7 @@ void CustomTrackView::updateProjectFps()
             m_document->clipManager()->removeGroup(grp);
             m_scene->addItem(grp);
             scene()->destroyItemGroup(grp);
+            scene()->clearSelection();
             for (int j = 0; j < children.count(); j++) {
                 if (children.at(j)->type() == AVWIDGET || children.at(j)->type() == TRANSITIONWIDGET) {
                     //children.at(j)->setParentItem(0);
@@ -5861,6 +6391,7 @@ void CustomTrackView::insertZoneOverwrite(QStringList data, int in)
     addCommand->setText(i18n("Insert clip"));
     adjustTimelineClips(OVERWRITEEDIT, NULL, info, addCommand);
     new AddTimelineClipCommand(this, clip->toXML(), clip->getId(), info, EffectsList(), true, false, true, false, addCommand);
+    updateTrackDuration(info.track, addCommand);
     m_commandStack->push(addCommand);
 
     selectClip(true, false, m_selectedTrack, in);
@@ -5879,12 +6410,14 @@ void CustomTrackView::clearSelection()
 
 void CustomTrackView::updatePalette()
 {
+    m_activeTrackBrush = KStatefulBrush(KColorScheme::View, KColorScheme::ActiveBackground, KSharedConfig::openConfig(KdenliveSettings::colortheme()));
     if (m_cursorLine) {
         QPen pen1 = QPen();
         pen1.setWidth(1);
         pen1.setColor(palette().text().color());
         m_cursorLine->setPen(pen1);
     }
+    emit tracksChanged();
 }
 
 void CustomTrackView::removeTipAnimation()
@@ -5972,3 +6505,192 @@ void CustomTrackView::setTipAnimation(AbstractClipItem *clip, OPERATIONTYPE mode
         m_animationTimer->start();
     }
 }
+
+bool CustomTrackView::hasAudio(int track) const
+{
+    QRectF rect(0, (double)(track * m_tracksHeight + 1), (double) sceneRect().width(), (double)(m_tracksHeight - 1));
+    QList<QGraphicsItem *> collisions = scene()->items(rect, Qt::IntersectsItemBoundingRect);
+    QGraphicsItem *item;
+    for (int i = 0; i < collisions.count(); i++) {
+        item = collisions.at(i);
+        if (!item->isEnabled()) continue;
+        if (item->type() == AVWIDGET) {
+            ClipItem *clip = static_cast <ClipItem *>(item);
+            if (!clip->isVideoOnly() && (clip->clipType() == AUDIO || clip->clipType() == AV || clip->clipType() == PLAYLIST)) return true;
+        }
+    }
+    return false;
+}
+
+void CustomTrackView::slotAddTrackEffect(const QDomElement effect, int ix)
+{
+    AddEffectCommand *command = new AddEffectCommand(this, m_document->tracksCount() - ix, GenTime(-1), effect, true);
+    m_commandStack->push(command);
+    setDocumentModified();
+}
+
+
+EffectsParameterList CustomTrackView::getEffectArgs(const QDomElement effect)
+{
+    EffectsParameterList parameters;
+    parameters.addParam("tag", effect.attribute("tag"));
+    if (effect.hasAttribute("region")) parameters.addParam("region", effect.attribute("region"));
+    parameters.addParam("kdenlive_ix", effect.attribute("kdenlive_ix"));
+    parameters.addParam("id", effect.attribute("id"));
+    if (effect.hasAttribute("src")) parameters.addParam("src", effect.attribute("src"));
+    if (effect.hasAttribute("disable")) parameters.addParam("disable", effect.attribute("disable"));
+    if (effect.hasAttribute("in")) parameters.addParam("in", effect.attribute("in"));
+    if (effect.hasAttribute("out")) parameters.addParam("out", effect.attribute("out"));
+
+    QDomNodeList params = effect.elementsByTagName("parameter");
+    for (int i = 0; i < params.count(); i++) {
+        QDomElement e = params.item(i).toElement();
+        //kDebug() << "/ / / /SENDING EFFECT PARAM: " << e.attribute("type") << ", NAME_ " << e.attribute("tag");
+        if (e.attribute("type") == "simplekeyframe") {
+
+            QStringList values = e.attribute("keyframes").split(";", QString::SkipEmptyParts);
+            double factor = e.attribute("factor", "1").toDouble();
+            for (int j = 0; j < values.count(); j++) {
+                QString pos = values.at(j).section(':', 0, 0);
+                double val = values.at(j).section(':', 1, 1).toDouble() / factor;
+                values[j] = pos + "=" + QString::number(val);
+            }
+            // kDebug() << "/ / / /SENDING KEYFR:" << values;
+            parameters.addParam(e.attribute("name"), values.join(";"));
+            /*parameters.addParam(e.attribute("name"), e.attribute("keyframes").replace(":", "="));
+            parameters.addParam("max", e.attribute("max"));
+            parameters.addParam("min", e.attribute("min"));
+            parameters.addParam("factor", e.attribute("factor", "1"));*/
+        } else if (e.attribute("type") == "keyframe") {
+            kDebug() << "/ / / /SENDING KEYFR EFFECT TYPE";
+            parameters.addParam("keyframes", e.attribute("keyframes"));
+            parameters.addParam("max", e.attribute("max"));
+            parameters.addParam("min", e.attribute("min"));
+            parameters.addParam("factor", e.attribute("factor", "1"));
+            parameters.addParam("starttag", e.attribute("starttag", "start"));
+            parameters.addParam("endtag", e.attribute("endtag", "end"));
+        } else if (e.attribute("namedesc").contains(';')) {
+            QString format = e.attribute("format");
+            QStringList separators = format.split("%d", QString::SkipEmptyParts);
+            QStringList values = e.attribute("value").split(QRegExp("[,:;x]"));
+            QString neu;
+            QTextStream txtNeu(&neu);
+            if (values.size() > 0)
+                txtNeu << (int)values[0].toDouble();
+            for (int i = 0; i < separators.size() && i + 1 < values.size(); i++) {
+                txtNeu << separators[i];
+                txtNeu << (int)(values[i+1].toDouble());
+            }
+            parameters.addParam("start", neu);
+        } else {
+            if (e.attribute("factor", "1") != "1") {
+                double fact;
+                if (e.attribute("factor").startsWith('%')) {
+                    fact = ProfilesDialog::getStringEval(m_document->mltProfile(), e.attribute("factor"));
+                } else fact = e.attribute("factor", "1").toDouble();
+                parameters.addParam(e.attribute("name"), QString::number(e.attribute("value").toDouble() / fact));
+            } else {
+                parameters.addParam(e.attribute("name"), e.attribute("value"));
+            }
+        }
+    }
+    return parameters;
+}
+
+void CustomTrackView::updatePanZoom(ClipItem* item, GenTime cutPos)
+{
+    QList <int> effects = item->updatePanZoom(m_document->width(), m_document->height(), cutPos.frames(m_document->fps()));
+    for (int i = 0; i < effects.count(); ++i) {
+        if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), getEffectArgs(item->effectAt(effects.at(i)))))
+            emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
+
+        // if effect is displayed, update the effect edit widget with new clip duration
+        /*if (item->isSelected() && effects.at(i) == item->selectedEffectIndex())
+            emit clipItemSelected(item, effects.at(i));*/
+    }
+    // update always, otherwise there might problems when resizing groups
+    if (effects.count() > 0)
+        emit clipItemSelected(item, item->selectedEffectIndex());
+}
+
+void CustomTrackView::updateTrackNames(int track, bool added)
+{
+    QList <TrackInfo> tracks = m_document->tracksList();
+    int max = tracks.count();
+    int docTrack = max - track - 1;
+
+    // count number of tracks of each type
+    int videoTracks = 0;
+    int audioTracks = 0;
+    for (int i = max - 1; i >= 0; --i) {
+        TrackInfo info = tracks.at(i);
+        if (info.type == VIDEOTRACK)
+            videoTracks++;
+        else
+            audioTracks++;
+
+        if (i <= docTrack) {
+            QString type = (info.type == VIDEOTRACK ? "Video " : "Audio ");
+            int typeNumber = (info.type == VIDEOTRACK ? videoTracks : audioTracks);
+
+            if (added) {
+                if (i == docTrack || info.trackName == type + QString::number(typeNumber - 1)) {
+                    info.trackName = type + QString::number(typeNumber);
+                    m_document->setTrackType(i, info);
+                }
+            } else {
+                if (info.trackName == type + QString::number(typeNumber + 1)) {
+                    info.trackName = type + QString::number(typeNumber);
+                    m_document->setTrackType(i, info);
+                }
+            }
+        }
+    }
+    emit tracksChanged();
+}
+
+void CustomTrackView::updateTrackDuration(int track, QUndoCommand *command)
+{
+    Q_UNUSED(command)
+
+    QList<int> tracks;
+    if (track >= 0) {
+        tracks << m_document->tracksCount() - track - 1;
+    } else {
+        // negative track number -> update all tracks
+        for (int i = 0; i < m_document->tracksCount(); ++i)
+            tracks << i;
+    }
+    int t, duration;
+    for (int i = 0; i < tracks.count(); ++i) {
+        t = tracks.at(i);
+        // t + 1 because of black background track
+        duration = m_document->renderer()->mltTrackDuration(t + 1);
+        if (duration != m_document->trackDuration(t)) {
+            m_document->setTrackDuration(t, duration);
+
+            // update effects
+            EffectsList effects = m_document->getTrackEffects(t);
+            for (int j = 0; j < effects.count(); ++j) {
+                /* TODO
+                 * - lookout for keyframable parameters and update them so all keyframes are in the new range (0 - duration)
+                 * - update the effectstack if necessary
+                 */
+            }
+        }
+    }
+}
+
+void CustomTrackView::slotRefreshThumbs(const QString &id, bool resetThumbs)
+{
+    QList<QGraphicsItem *> list = scene()->items();
+    ClipItem *clip = NULL;
+    for (int i = 0; i < list.size(); ++i) {
+        if (list.at(i)->type() == AVWIDGET) {
+            clip = static_cast <ClipItem *>(list.at(i));
+            if (clip->clipProducer() == id) {
+                clip->refreshClip(true, resetThumbs);
+            }
+        }
+    }
+}